76938810828 has 48 divisors (see below), whose sum is σ = 199539438336. Its totient is φ = 22874887360.

The previous prime is 76938810811. The next prime is 76938810859. The reversal of 76938810828 is 82801883967.

It is a super-2 number, since 2×76938810828² (a number of 23 digits) contains 22 as substring.

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, 5491776 + ... + 5505767.

It is an arithmetic number, because the mean of its divisors is an integer number (4157071632).

Almost surely, 2^76938810828 is an apocalyptic number.

It is an amenable number.

76938810828 is an abundant number, since it is smaller than the sum of its proper divisors (122600627508).

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

76938810828 is a wasteful number, since it uses less digits than its factorization.

76938810828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997614 (or 10997612 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 60.

The spelling of 76938810828 in words is "seventy-six billion, nine hundred thirty-eight million, eight hundred ten thousand, eight hundred twenty-eight".