872568997 has 8 divisors (see below), whose sum is σ = 909637632. Its totient is φ = 836058000.

The previous prime is 872568887. The next prime is 872569001. The reversal of 872568997 is 799865278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 872568997 - 2¹¹ = 872566949 is a prime.

It is a super-2 number, since 2×872568997² = 1522753309051172018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872568397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136213 + ... + 142474.

It is an arithmetic number, because the mean of its divisors is an integer number (113704704).

Almost surely, 2^872568997 is an apocalyptic number.

It is an amenable number.

872568997 is a deficient number, since it is larger than the sum of its proper divisors (37068635).

872568997 is a wasteful number, since it uses less digits than its factorization.

872568997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278819.

The product of its digits is 15240960, while the sum is 61.

The square root of 872568997 is about 29539.2788842246. The cubic root of 872568997 is about 955.5789904780.

The spelling of 872568997 in words is "eight hundred seventy-two million, five hundred sixty-eight thousand, nine hundred ninety-seven".