80677695773958 has 32 divisors (see below), whose sum is σ = 161934562513152. Its totient is φ = 26796101234400.

The previous prime is 80677695773891. The next prime is 80677695774043. The reversal of 80677695773958 is 85937759677608.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3050853 + ... + 13063808.

It is an arithmetic number, because the mean of its divisors is an integer number (5060455078536).

Almost surely, 2^{80677695773958} is an apocalyptic number.

80677695773958 is an abundant number, since it is smaller than the sum of its proper divisors (81256866739194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80677695773958 is a wasteful number, since it uses less digits than its factorization.

80677695773958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16117660.

The product of its (nonzero) digits is 33606316800, while the sum is 87.

The spelling of 80677695773958 in words is "eighty trillion, six hundred seventy-seven billion, six hundred ninety-five million, seven hundred seventy-three thousand, nine hundred fifty-eight".