872785002 has 16 divisors (see below), whose sum is σ = 1821464640. Its totient is φ = 278279232.

The previous prime is 872784989. The next prime is 872785013. The reversal of 872785002 is 200587278.

It is a super-2 number, since 2×872785002² = 1523507319432280008, which contains 22 as substring.

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, 3162127 + ... + 3162402.

It is an arithmetic number, because the mean of its divisors is an integer number (113841540).

Almost surely, 2^872785002 is an apocalyptic number.

872785002 is an abundant number, since it is smaller than the sum of its proper divisors (948679638).

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

872785002 is a wasteful number, since it uses less digits than its factorization.

872785002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6324557.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 872785002 is about 29542.9348914423. The cubic root of 872785002 is about 955.6578353642.

The spelling of 872785002 in words is "eight hundred seventy-two million, seven hundred eighty-five thousand, two".