82921897659762 has 80 divisors (see below), whose sum is σ = 214334838590400. Its totient is φ = 23470550438112.

The previous prime is 82921897659743. The next prime is 82921897659787. The reversal of 82921897659762 is 26795679812928.

82921897659762 is a `hidden beast` number, since 8 + 2 + 9 + 2 + 18 + 9 + 7 + 6 + 597 + 6 + 2 = 666.

It is a super-2 number, since 2×82921897659762² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 341576637 + ... + 341819312.

It is an arithmetic number, because the mean of its divisors is an integer number (2679185482380).

Almost surely, 2^{82921897659762} is an apocalyptic number.

82921897659762 is an abundant number, since it is smaller than the sum of its proper divisors (131412940930638).

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

82921897659762 is a wasteful number, since it uses less digits than its factorization.

82921897659762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683396077 (or 683396068 counting only the distinct ones).

The product of its digits is 3292047360, while the sum is 81.

The spelling of 82921897659762 in words is "eighty-two trillion, nine hundred twenty-one billion, eight hundred ninety-seven million, six hundred fifty-nine thousand, seven hundred sixty-two".