76869780180 has 48 divisors (see below), whose sum is σ = 215255906880. Its totient is φ = 20496653568.

The previous prime is 76869780173. The next prime is 76869780259. The reversal of 76869780180 is 8108796867.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639936 + ... + 750504.

It is an arithmetic number, because the mean of its divisors is an integer number (4484498060).

Almost surely, 2^76869780180 is an apocalyptic number.

It is an amenable number.

76869780180 is an abundant number, since it is smaller than the sum of its proper divisors (138386126700).

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

76869780180 is a wasteful number, since it uses less digits than its factorization.

76869780180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122168 (or 122166 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 76869780180 in words is "seventy-six billion, eight hundred sixty-nine million, seven hundred eighty thousand, one hundred eighty".