872788071 has 8 divisors (see below), whose sum is σ = 1190780800. Its totient is φ = 568327032.

The previous prime is 872788001. The next prime is 872788097. The reversal of 872788071 is 170887278.

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

It is a de Polignac number, because none of the positive numbers 2^k-872788071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 872788071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872788001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3382771 + ... + 3383028.

It is an arithmetic number, because the mean of its divisors is an integer number (148847600).

Almost surely, 2^872788071 is an apocalyptic number.

872788071 is a deficient number, since it is larger than the sum of its proper divisors (317992729).

872788071 is a wasteful number, since it uses less digits than its factorization.

872788071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765845.

The product of its (nonzero) digits is 351232, while the sum is 48.

The square root of 872788071 is about 29542.9868327493. The cubic root of 872788071 is about 955.6589554990.

The spelling of 872788071 in words is "eight hundred seventy-two million, seven hundred eighty-eight thousand, seventy-one".