82508212 has 12 divisors (see below), whose sum is σ = 145346656. Its totient is φ = 40980600.

The previous prime is 82508197. The next prime is 82508221. The reversal of 82508212 is 21280528.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 67698 + ... + 68905.

Almost surely, 2^82508212 is an apocalyptic number.

It is an amenable number.

82508212 is a deficient number, since it is larger than the sum of its proper divisors (62838444).

82508212 is a wasteful number, since it uses less digits than its factorization.

82508212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136758 (or 136756 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 82508212 is about 9083.4031067657. The cubic root of 82508212 is about 435.3438282205.

The spelling of 82508212 in words is "eighty-two million, five hundred eight thousand, two hundred twelve".