872888815 has 8 divisors (see below), whose sum is σ = 1047635280. Its totient is φ = 698198592.

The previous prime is 872888803. The next prime is 872888827. The reversal of 872888815 is 518888278.

It is an interprime number because it is at equal distance from previous prime (872888803) and next prime (872888827).

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 872888815 - 2²³ = 864500207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36856 + ... + 55714.

It is an arithmetic number, because the mean of its divisors is an integer number (130954410).

Almost surely, 2^872888815 is an apocalyptic number.

872888815 is a deficient number, since it is larger than the sum of its proper divisors (174746465).

872888815 is a wasteful number, since it uses less digits than its factorization.

872888815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28121.

The product of its digits is 2293760, while the sum is 55.

The square root of 872888815 is about 29544.6918244208. The cubic root of 872888815 is about 955.6957239520.

The spelling of 872888815 in words is "eight hundred seventy-two million, eight hundred eighty-eight thousand, eight hundred fifteen".