76121756652 has 48 divisors (see below), whose sum is σ = 178602006240. Its totient is φ = 25233610752.

The previous prime is 76121756603. The next prime is 76121756657. The reversal of 76121756652 is 25665712167.

It is not an unprimeable number, because it can be changed into a prime (76121756657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1776828 + ... + 1819164.

It is an arithmetic number, because the mean of its divisors is an integer number (3720875130).

Almost surely, 2^76121756652 is an apocalyptic number.

It is an amenable number.

76121756652 is an abundant number, since it is smaller than the sum of its proper divisors (102480249588).

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

76121756652 is a wasteful number, since it uses less digits than its factorization.

76121756652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43170 (or 43168 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The spelling of 76121756652 in words is "seventy-six billion, one hundred twenty-one million, seven hundred fifty-six thousand, six hundred fifty-two".