82159902 has 24 divisors (see below), whose sum is σ = 194196600. Its totient is φ = 24896880.

The previous prime is 82159897. The next prime is 82160003. The reversal of 82159902 is 20995128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207277 + ... + 207672.

It is an arithmetic number, because the mean of its divisors is an integer number (8091525).

Almost surely, 2^82159902 is an apocalyptic number.

82159902 is an abundant number, since it is smaller than the sum of its proper divisors (112036698).

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

82159902 is a wasteful number, since it uses less digits than its factorization.

82159902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414968 (or 414965 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 82159902 is about 9064.2099490248. The cubic root of 82159902 is about 434.7303600452.

The spelling of 82159902 in words is "eighty-two million, one hundred fifty-nine thousand, nine hundred two".