82015502 has 4 divisors (see below), whose sum is σ = 123023256. Its totient is φ = 41007750.

The previous prime is 82015477. The next prime is 82015523. The reversal of 82015502 is 20551028.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20503874 + ... + 20503877.

It is an arithmetic number, because the mean of its divisors is an integer number (30755814).

Almost surely, 2^82015502 is an apocalyptic number.

82015502 is a deficient number, since it is larger than the sum of its proper divisors (41007754).

82015502 is a wasteful number, since it uses less digits than its factorization.

82015502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41007753.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 82015502 is about 9056.2410524455. The cubic root of 82015502 is about 434.4755241494.

The spelling of 82015502 in words is "eighty-two million, fifteen thousand, five hundred two".