82886520 has 32 divisors (see below), whose sum is σ = 248659920. Its totient is φ = 22103040.

The previous prime is 82886519. The next prime is 82886527. The reversal of 82886520 is 2568828.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82886527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345241 + ... + 345480.

Almost surely, 2^82886520 is an apocalyptic number.

It is an amenable number.

82886520 is an abundant number, since it is smaller than the sum of its proper divisors (165773400).

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

82886520 is a wasteful number, since it uses less digits than its factorization.

82886520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690735 (or 690731 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 82886520 is about 9104.2034247923. The cubic root of 82886520 is about 436.0081781705.

The spelling of 82886520 in words is "eighty-two million, eight hundred eighty-six thousand, five hundred twenty".