76917722028 has 48 divisors (see below), whose sum is σ = 217179454464. Its totient is φ = 20683756800.

The previous prime is 76917722017. The next prime is 76917722051. The reversal of 76917722028 is 82022771967.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 26930548 + ... + 26933403.

It is an arithmetic number, because the mean of its divisors is an integer number (4524571968).

Almost surely, 2^76917722028 is an apocalyptic number.

It is an amenable number.

76917722028 is an abundant number, since it is smaller than the sum of its proper divisors (140261732436).

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

76917722028 is a wasteful number, since it uses less digits than its factorization.

76917722028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53863982 (or 53863980 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 76917722028 in words is "seventy-six billion, nine hundred seventeen million, seven hundred twenty-two thousand, twenty-eight".