76121018900 has 18 divisors (see below), whose sum is σ = 165182611230. Its totient is φ = 30448407520.

The previous prime is 76121018887. The next prime is 76121018927. The reversal of 76121018900 is 981012167.

It can be written as a sum of positive squares in 3 ways, for example, as 2100022276 + 74020996624 = 45826^2 + 272068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380604995 + ... + 380605194.

It is an arithmetic number, because the mean of its divisors is an integer number (9176811735).

Almost surely, 2^76121018900 is an apocalyptic number.

It is an amenable number.

76121018900 is an abundant number, since it is smaller than the sum of its proper divisors (89061592330).

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

76121018900 is a wasteful number, since it uses less digits than its factorization.

76121018900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761210203 (or 761210196 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 76121018900 in words is "seventy-six billion, one hundred twenty-one million, eighteen thousand, nine hundred".