80698107957 has 8 divisors (see below), whose sum is σ = 107916758976. Its totient is φ = 53639097792.

The previous prime is 80698107949. The next prime is 80698107977. The reversal of 80698107957 is 75970189608.

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

It is not a de Polignac number, because 80698107957 - 2³ = 80698107949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80698107957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80698107937) 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, 39909033 + ... + 39911054.

It is an arithmetic number, because the mean of its divisors is an integer number (13489594872).

Almost surely, 2^80698107957 is an apocalyptic number.

It is an amenable number.

80698107957 is a deficient number, since it is larger than the sum of its proper divisors (27218651019).

80698107957 is a wasteful number, since it uses less digits than its factorization.

80698107957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79820427.

The product of its (nonzero) digits is 7620480, while the sum is 60.

The spelling of 80698107957 in words is "eighty billion, six hundred ninety-eight million, one hundred seven thousand, nine hundred fifty-seven".