82665210768264 has 48 divisors (see below), whose sum is σ = 226718932502400. Its totient is φ = 27206271896544.

The previous prime is 82665210768253. The next prime is 82665210768271. The reversal of 82665210768264 is 46286701256628.

82665210768264 is a `hidden beast` number, since 8 + 26 + 6 + 521 + 0 + 7 + 6 + 82 + 6 + 4 = 666.

It is a super-2 number, since 2×82665210768264² (a number of 29 digits) contains 22 as substring.

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, 7266626764 + ... + 7266638139.

It is an arithmetic number, because the mean of its divisors is an integer number (4723311093800).

Almost surely, 2^{82665210768264} is an apocalyptic number.

It is an amenable number.

82665210768264 is an abundant number, since it is smaller than the sum of its proper divisors (144053721734136).

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

82665210768264 is a wasteful number, since it uses less digits than its factorization.

82665210768264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533264994 (or 14533264987 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 82665210768264 in words is "eighty-two trillion, six hundred sixty-five billion, two hundred ten million, seven hundred sixty-eight thousand, two hundred sixty-four".