82659990492 has 36 divisors (see below), whose sum is σ = 212487551640. Its totient is φ = 27086323872.

The previous prime is 82659990451. The next prime is 82659990577. The reversal of 82659990492 is 29409995628.

82659990492 is a `hidden beast` number, since 8 + 2 + 6 + 59 + 9 + 90 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19456443 + ... + 19460690.

It is an arithmetic number, because the mean of its divisors is an integer number (5902431990).

Almost surely, 2^82659990492 is an apocalyptic number.

It is an amenable number.

82659990492 is an abundant number, since it is smaller than the sum of its proper divisors (129827561148).

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

82659990492 is a wasteful number, since it uses less digits than its factorization.

82659990492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38917202 (or 38917197 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 82659990492 in words is "eighty-two billion, six hundred fifty-nine million, nine hundred ninety thousand, four hundred ninety-two".