82739926064 has 20 divisors (see below), whose sum is σ = 160712419104. Its totient is φ = 41265753408.

The previous prime is 82739926051. The next prime is 82739926079. The reversal of 82739926064 is 46062993728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6506552 + ... + 6519255.

Almost surely, 2^82739926064 is an apocalyptic number.

It is an amenable number.

82739926064 is a deficient number, since it is larger than the sum of its proper divisors (77972493040).

82739926064 is a wasteful number, since it uses less digits than its factorization.

82739926064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13026212 (or 13026206 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 82739926064 in words is "eighty-two billion, seven hundred thirty-nine million, nine hundred twenty-six thousand, sixty-four".