82869560 has 32 divisors (see below), whose sum is σ = 197426160. Its totient is φ = 31197696.

The previous prime is 82869551. The next prime is 82869593. The reversal of 82869560 is 6596828.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60254 + ... + 61613.

Almost surely, 2^82869560 is an apocalyptic number.

It is an amenable number.

82869560 is an abundant number, since it is smaller than the sum of its proper divisors (114556600).

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

82869560 is a wasteful number, since it uses less digits than its factorization.

82869560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121895 (or 121891 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 82869560 is about 9103.2719392535. The cubic root of 82869560 is about 435.9784378979.

The spelling of 82869560 in words is "eighty-two million, eight hundred sixty-nine thousand, five hundred sixty".