82286788 has 6 divisors (see below), whose sum is σ = 144001886. Its totient is φ = 41143392.

The previous prime is 82286773. The next prime is 82286791. The reversal of 82286788 is 88768228.

It can be written as a sum of positive squares in only one way, i.e., 58491904 + 23794884 = 7648^2 + 4878^2 .

It is a super-2 number, since 2×82286788² = 13542230958713888, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 10285845 + ... + 10285852.

Almost surely, 2^82286788 is an apocalyptic number.

It is an amenable number.

82286788 is a deficient number, since it is larger than the sum of its proper divisors (61715098).

82286788 is a wasteful number, since it uses less digits than its factorization.

82286788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20571701 (or 20571699 counting only the distinct ones).

The product of its digits is 688128, while the sum is 49.

The square root of 82286788 is about 9071.2065349655. The cubic root of 82286788 is about 434.9540410334.

The spelling of 82286788 in words is "eighty-two million, two hundred eighty-six thousand, seven hundred eighty-eight".