76868626520 has 48 divisors (see below), whose sum is σ = 201191869440. Its totient is φ = 26354956992.

The previous prime is 76868626507. The next prime is 76868626607. The reversal of 76868626520 is 2562686867.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19607384 + ... + 19611303.

It is an arithmetic number, because the mean of its divisors is an integer number (4191497280).

Almost surely, 2^76868626520 is an apocalyptic number.

76868626520 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76868626520 is an abundant number, since it is smaller than the sum of its proper divisors (124323242920).

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

76868626520 is a wasteful number, since it uses less digits than its factorization.

76868626520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39218712 (or 39218701 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 76868626520 in words is "seventy-six billion, eight hundred sixty-eight million, six hundred twenty-six thousand, five hundred twenty".