82015950 has 48 divisors (see below), whose sum is σ = 203955696. Its totient is φ = 21811200.

The previous prime is 82015943. The next prime is 82015961. The reversal of 82015950 is 5951028.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95724 + ... + 96576.

It is an arithmetic number, because the mean of its divisors is an integer number (4249077).

Almost surely, 2^82015950 is an apocalyptic number.

82015950 is an abundant number, since it is smaller than the sum of its proper divisors (121939746).

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

82015950 is a wasteful number, since it uses less digits than its factorization.

82015950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1504 counting only the distinct ones).

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

The square root of 82015950 is about 9056.2657867357. The cubic root of 82015950 is about 434.4763152384.

Adding to 82015950 its reverse (5951028), we get a palindrome (87966978).

The spelling of 82015950 in words is "eighty-two million, fifteen thousand, nine hundred fifty".