82507806 has 24 divisors (see below), whose sum is σ = 180779040. Its totient is φ = 27193056.

The previous prime is 82507793. The next prime is 82507811. The reversal of 82507806 is 60870528.

It is a hoax number, since the sum of its digits (36) 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 11 ways as a sum of consecutive naturals, for example, 24150 + ... + 27353.

It is an arithmetic number, because the mean of its divisors is an integer number (7532460).

Almost surely, 2^82507806 is an apocalyptic number.

82507806 is an abundant number, since it is smaller than the sum of its proper divisors (98271234).

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

82507806 is a wasteful number, since it uses less digits than its factorization.

82507806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51600 (or 51597 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 82507806 is about 9083.3807582860. The cubic root of 82507806 is about 435.3431141506.

The spelling of 82507806 in words is "eighty-two million, five hundred seven thousand, eight hundred six".