13078899057 has 16 divisors (see below), whose sum is σ = 19943570432. Its totient is φ = 7468474320.

The previous prime is 13078899037. The next prime is 13078899059. The reversal of 13078899057 is 75099887031.

It is not a de Polignac number, because 13078899057 - 2⁷ = 13078898929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13078898988 and 13078899006.

It is not an unprimeable number, because it can be changed into a prime (13078899059) 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, 184819 + ... + 245592.

It is an arithmetic number, because the mean of its divisors is an integer number (1246473152).

Almost surely, 2^13078899057 is an apocalyptic number.

It is an amenable number.

13078899057 is a deficient number, since it is larger than the sum of its proper divisors (6864671375).

13078899057 is a wasteful number, since it uses less digits than its factorization.

13078899057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431868.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 13078899057 in words is "thirteen billion, seventy-eight million, eight hundred ninety-nine thousand, fifty-seven".