82159500 has 48 divisors (see below), whose sum is σ = 239252832. Its totient is φ = 21908800.

The previous prime is 82159463. The next prime is 82159543. The reversal of 82159500 is 595128.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25887 + ... + 28886.

It is an arithmetic number, because the mean of its divisors is an integer number (4984434).

Almost surely, 2^82159500 is an apocalyptic number.

It is an amenable number.

82159500 is an abundant number, since it is smaller than the sum of its proper divisors (157093332).

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

82159500 is a wasteful number, since it uses less digits than its factorization.

82159500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54795 (or 54783 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 82159500 is about 9064.1877738714. The cubic root of 82159500 is about 434.7296510136.

The spelling of 82159500 in words is "eighty-two million, one hundred fifty-nine thousand, five hundred".