872513776 has 20 divisors (see below), whose sum is σ = 1691019000. Its totient is φ = 436121792.

The previous prime is 872513737. The next prime is 872513783. The reversal of 872513776 is 677315278.

It is a super-2 number, since 2×872513776² = 1522560578619556352, 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, 63315 + ... + 75853.

It is an arithmetic number, because the mean of its divisors is an integer number (84550950).

Almost surely, 2^872513776 is an apocalyptic number.

It is an amenable number.

872513776 is a deficient number, since it is larger than the sum of its proper divisors (818505224).

872513776 is a wasteful number, since it uses less digits than its factorization.

872513776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16896 (or 16890 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The square root of 872513776 is about 29538.3441648309. The cubic root of 872513776 is about 955.5588319420.

The spelling of 872513776 in words is "eight hundred seventy-two million, five hundred thirteen thousand, seven hundred seventy-six".