82861052 has 18 divisors (see below), whose sum is σ = 153043128. Its totient is φ = 39249288.

The previous prime is 82861039. The next prime is 82861063. The reversal of 82861052 is 25016828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27248 + ... + 30135.

It is an arithmetic number, because the mean of its divisors is an integer number (8502396).

Almost surely, 2^82861052 is an apocalyptic number.

It is an amenable number.

82861052 is a deficient number, since it is larger than the sum of its proper divisors (70182076).

82861052 is a wasteful number, since it uses less digits than its factorization.

82861052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57425 (or 57404 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 82861052 is about 9102.8046227523. The cubic root of 82861052 is about 435.9635171336.

The spelling of 82861052 in words is "eighty-two million, eight hundred sixty-one thousand, fifty-two".