82865628 has 36 divisors (see below), whose sum is σ = 212124640. Its totient is φ = 27271296.

The previous prime is 82865621. The next prime is 82865647. The reversal of 82865628 is 82656828.

82865628 is a `hidden beast` number, since 8 + 2 + 86 + 562 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82865621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11725 + ... + 17412.

Almost surely, 2^82865628 is an apocalyptic number.

It is an amenable number.

82865628 is an abundant number, since it is smaller than the sum of its proper divisors (129259012).

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

82865628 is a wasteful number, since it uses less digits than its factorization.

82865628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29226 (or 29221 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 82865628 is about 9103.0559703871. The cubic root of 82865628 is about 435.9715423448.

The spelling of 82865628 in words is "eighty-two million, eight hundred sixty-five thousand, six hundred twenty-eight".