815057002 has 16 divisors (see below), whose sum is σ = 1274628960. Its totient is φ = 390538512.

The previous prime is 815056997. The next prime is 815057011. The reversal of 815057002 is 200750518.

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, 84852 + ... + 93967.

It is an arithmetic number, because the mean of its divisors is an integer number (79664310).

Almost surely, 2^815057002 is an apocalyptic number.

815057002 is a deficient number, since it is larger than the sum of its proper divisors (459571958).

815057002 is a wasteful number, since it uses less digits than its factorization.

815057002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178917.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 815057002 is about 28549.2031762710. The cubic root of 815057002 is about 934.1056398722.

The spelling of 815057002 in words is "eight hundred fifteen million, fifty-seven thousand, two".