77852645415804 has 96 divisors (see below), whose sum is σ = 210797058250240. Its totient is φ = 21904330791168.

The previous prime is 77852645415791. The next prime is 77852645415859. The reversal of 77852645415804 is 40851454625877.

It is a super-2 number, since 2×77852645415804² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24590119 + ... + 27574974.

Almost surely, 2^{77852645415804} is an apocalyptic number.

It is an amenable number.

77852645415804 is an abundant number, since it is smaller than the sum of its proper divisors (132944412834436).

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

77852645415804 is a wasteful number, since it uses less digits than its factorization.

77852645415804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52165379 (or 52165377 counting only the distinct ones).

The product of its (nonzero) digits is 301056000, while the sum is 66.

The spelling of 77852645415804 in words is "seventy-seven trillion, eight hundred fifty-two billion, six hundred forty-five million, four hundred fifteen thousand, eight hundred four".