82261264 has 20 divisors (see below), whose sum is σ = 159909904. Its totient is φ = 40994208.

The previous prime is 82261243. The next prime is 82261297. The reversal of 82261264 is 46216228.

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, 3462 + ... + 13285.

Almost surely, 2^82261264 is an apocalyptic number.

It is an amenable number.

82261264 is a deficient number, since it is larger than the sum of its proper divisors (77648640).

82261264 is a wasteful number, since it uses less digits than its factorization.

82261264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17062 (or 17056 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 82261264 is about 9069.7995567708. The cubic root of 82261264 is about 434.9090645341.

The spelling of 82261264 in words is "eighty-two million, two hundred sixty-one thousand, two hundred sixty-four".