872788895 has 32 divisors (see below), whose sum is σ = 1170132480. Its totient is φ = 619565440.

The previous prime is 872788877. The next prime is 872788933. The reversal of 872788895 is 598887278.

It is a happy number.

It is not a de Polignac number, because 872788895 - 2¹⁶ = 872723359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661046 + ... + 662364.

It is an arithmetic number, because the mean of its divisors is an integer number (36566640).

Almost surely, 2^872788895 is an apocalyptic number.

872788895 is a deficient number, since it is larger than the sum of its proper divisors (297343585).

872788895 is a wasteful number, since it uses less digits than its factorization.

872788895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its digits is 18063360, while the sum is 62.

The square root of 872788895 is about 29543.0007785262. Note that the first 3 decimals coincide. The cubic root of 872788895 is about 955.6592562450.

The spelling of 872788895 in words is "eight hundred seventy-two million, seven hundred eighty-eight thousand, eight hundred ninety-five".