872512028 has 12 divisors (see below), whose sum is σ = 1531511352. Its totient is φ = 434937360.

The previous prime is 872512013. The next prime is 872512049. The reversal of 872512028 is 820215278.

It is a super-2 number, since 2×872512028² = 1522554478009345568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328175 + ... + 330822.

It is an arithmetic number, because the mean of its divisors is an integer number (127625946).

Almost surely, 2^872512028 is an apocalyptic number.

It is an amenable number.

872512028 is a deficient number, since it is larger than the sum of its proper divisors (658999324).

872512028 is a wasteful number, since it uses less digits than its factorization.

872512028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659332 (or 659330 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 872512028 is about 29538.3145761568. The cubic root of 872512028 is about 955.5581938172.

The spelling of 872512028 in words is "eight hundred seventy-two million, five hundred twelve thousand, twenty-eight".