80687664057 has 64 divisors (see below), whose sum is σ = 144503654400. Its totient is φ = 38676441600.

The previous prime is 80687664011. The next prime is 80687664119. The reversal of 80687664057 is 75046678608.

It is not a de Polignac number, because 80687664057 - 2¹¹ = 80687662009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80687663988 and 80687664006.

It is not an unprimeable number, because it can be changed into a prime (80687664007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14805069 + ... + 14810517.

It is an arithmetic number, because the mean of its divisors is an integer number (2257869600).

Almost surely, 2^80687664057 is an apocalyptic number.

It is an amenable number.

80687664057 is a deficient number, since it is larger than the sum of its proper divisors (63815990343).

80687664057 is a wasteful number, since it uses less digits than its factorization.

80687664057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 80687664057 in words is "eighty billion, six hundred eighty-seven million, six hundred sixty-four thousand, fifty-seven".