82688968 has 8 divisors (see below), whose sum is σ = 155041830. Its totient is φ = 41344480.

The previous prime is 82688941. The next prime is 82688987. The reversal of 82688968 is 86988628.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 37234404 = 6742^2 + 6102^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5168053 + ... + 5168068.

Almost surely, 2^82688968 is an apocalyptic number.

It is an amenable number.

82688968 is a deficient number, since it is larger than the sum of its proper divisors (72352862).

82688968 is a wasteful number, since it uses less digits than its factorization.

82688968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10336127 (or 10336123 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The square root of 82688968 is about 9093.3474584446. The cubic root of 82688968 is about 435.6615081721.

The spelling of 82688968 in words is "eighty-two million, six hundred eighty-eight thousand, nine hundred sixty-eight".