2787474002329 has 9 divisors (see below), whose sum is σ = 2829812608917. Its totient is φ = 2745759720924.

The previous prime is 2787474002311. The next prime is 2787474002347. The reversal of 2787474002329 is 9232004747872.

The square root of 2787474002329 is 1669573.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (2787474002311) and next prime (2787474002347).

It is not a de Polignac number, because 2787474002329 - 2⁹ = 2787474001817 is a prime.

It is a super-2 number, since 2×2787474002329² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2787474002329.

It is not an unprimeable number, because it can be changed into a prime (2787474002029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 111848932 + ... + 111873850.

It is an arithmetic number, because the mean of its divisors is an integer number (314423623213).

Almost surely, 2^{2787474002329} is an apocalyptic number.

2787474002329 is the 1669573-rd square number.

2787474002329 is the 834787-th centered octagonal number.

It is an amenable number.

2787474002329 is a deficient number, since it is larger than the sum of its proper divisors (42338606588).

2787474002329 is an frugal number, since it uses more digits than its factorization.

2787474002329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49972 (or 24986 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 2787474002329 in words is "two trillion, seven hundred eighty-seven billion, four hundred seventy-four million, two thousand, three hundred twenty-nine".