82268790 has 16 divisors (see below), whose sum is σ = 197445168. Its totient is φ = 21938336.

The previous prime is 82268749. The next prime is 82268801. The reversal of 82268790 is 9786228.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371117 + ... + 1371176.

It is an arithmetic number, because the mean of its divisors is an integer number (12340323).

Almost surely, 2^82268790 is an apocalyptic number.

82268790 is an abundant number, since it is smaller than the sum of its proper divisors (115176378).

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

82268790 is a wasteful number, since it uses less digits than its factorization.

82268790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742303.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 82268790 is about 9070.2144406844. The cubic root of 82268790 is about 434.9223272600.

The spelling of 82268790 in words is "eighty-two million, two hundred sixty-eight thousand, seven hundred ninety".