2478702352897 has 8 divisors (see below), whose sum is σ = 2479463007272. Its totient is φ = 2477941804800.

The previous prime is 2478702352879. The next prime is 2478702352939. The reversal of 2478702352897 is 7982532078742.

It can be written as a sum of positive squares in 4 ways, for example, as 909354867201 + 1569347485696 = 953601^2 + 1252736^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2478702352897 - 2⁷ = 2478702352769 is a prime.

It is a super-2 number, since 2×2478702352897² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2478702352097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78730723 + ... + 78762199.

It is an arithmetic number, because the mean of its divisors is an integer number (309932875909).

Almost surely, 2^{2478702352897} is an apocalyptic number.

It is an amenable number.

2478702352897 is a deficient number, since it is larger than the sum of its proper divisors (760654375).

2478702352897 is a wasteful number, since it uses less digits than its factorization.

2478702352897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53139.

The product of its (nonzero) digits is 94832640, while the sum is 64.

The spelling of 2478702352897 in words is "two trillion, four hundred seventy-eight billion, seven hundred two million, three hundred fifty-two thousand, eight hundred ninety-seven".