76826791881990 has 64 divisors (see below), whose sum is σ = 215654152665600. Its totient is φ = 19408873737312.

The previous prime is 76826791881979. The next prime is 76826791882013. The reversal of 76826791881990 is 9918819762867.

76826791881990 is a `hidden beast` number, since 7 + 6 + 8 + 267 + 91 + 88 + 199 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7487986282 + ... + 7487996541.

It is an arithmetic number, because the mean of its divisors is an integer number (3369596135400).

Almost surely, 2^{76826791881990} is an apocalyptic number.

76826791881990 is an abundant number, since it is smaller than the sum of its proper divisors (138827360783610).

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

76826791881990 is a wasteful number, since it uses less digits than its factorization.

76826791881990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14975982858 (or 14975982852 counting only the distinct ones).

The product of its (nonzero) digits is 1316818944, while the sum is 81.

The spelling of 76826791881990 in words is "seventy-six trillion, eight hundred twenty-six billion, seven hundred ninety-one million, eight hundred eighty-one thousand, nine hundred ninety".