2720788873 has 16 divisors (see below), whose sum is σ = 3066458112. Its totient is φ = 2391642000.

The previous prime is 2720788871. The next prime is 2720788877. The reversal of 2720788873 is 3788870272.

It is a happy number.

It is not a de Polignac number, because 2720788873 - 2¹ = 2720788871 is a prime.

It is a super-2 number, since 2×2720788873² = 14805384182881220258, which 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 2720788873.

It is not an unprimeable number, because it can be changed into a prime (2720788871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523578 + ... + 528748.

It is an arithmetic number, because the mean of its divisors is an integer number (191653632).

Almost surely, 2^2720788873 is an apocalyptic number.

It is an amenable number.

2720788873 is a deficient number, since it is larger than the sum of its proper divisors (345669239).

2720788873 is a wasteful number, since it uses less digits than its factorization.

2720788873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The square root of 2720788873 is about 52161.1816679799. The cubic root of 2720788873 is about 1396.0413464450.

The spelling of 2720788873 in words is "two billion, seven hundred twenty million, seven hundred eighty-eight thousand, eight hundred seventy-three".