872003662 has 16 divisors (see below), whose sum is σ = 1361881584. Its totient is φ = 418392000.

The previous prime is 872003633. The next prime is 872003677. The reversal of 872003662 is 266300278.

It is a congruent number.

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, 82164 + ... + 92167.

It is an arithmetic number, because the mean of its divisors is an integer number (85117599).

Almost surely, 2^872003662 is an apocalyptic number.

872003662 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

872003662 is a deficient number, since it is larger than the sum of its proper divisors (489877922).

872003662 is a wasteful number, since it uses less digits than its factorization.

872003662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174435.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 872003662 is about 29529.7081258857. The cubic root of 872003662 is about 955.3725735788.

The spelling of 872003662 in words is "eight hundred seventy-two million, three thousand, six hundred sixty-two".