80602377057 has 12 divisors (see below), whose sum is σ = 116977438864. Its totient is φ = 53480248920.

The previous prime is 80602377029. The next prime is 80602377073. The reversal of 80602377057 is 75077320608.

80602377057 is a `hidden beast` number, since 8 + 0 + 602 + 37 + 7 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 80602377057 - 2⁶ = 80602376993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80602387057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21220423 + ... + 21224220.

Almost surely, 2^80602377057 is an apocalyptic number.

It is an amenable number.

80602377057 is a deficient number, since it is larger than the sum of its proper divisors (36375061807).

80602377057 is a wasteful number, since it uses less digits than its factorization.

80602377057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42444860 (or 42444857 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 80602377057 in words is "eighty billion, six hundred two million, three hundred seventy-seven thousand, fifty-seven".