82798612 has 12 divisors (see below), whose sum is σ = 156043636. Its totient is φ = 38214720.

The previous prime is 82798591. The next prime is 82798627. The reversal of 82798612 is 21689728.

It can be written as a sum of positive squares in 2 ways, for example, as 21864976 + 60933636 = 4676^2 + 7806^2 .

It is a super-2 number, since 2×82798612² = 13711220298253088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796089 + ... + 796192.

Almost surely, 2^82798612 is an apocalyptic number.

It is an amenable number.

82798612 is a deficient number, since it is larger than the sum of its proper divisors (73245024).

82798612 is a wasteful number, since it uses less digits than its factorization.

82798612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592298 (or 1592296 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 82798612 is about 9099.3742642008. The cubic root of 82798612 is about 435.8539827512.

The spelling of 82798612 in words is "eighty-two million, seven hundred ninety-eight thousand, six hundred twelve".