869703988 has 24 divisors (see below), whose sum is σ = 1530357192. Its totient is φ = 432466944.

The previous prime is 869703953. The next prime is 869704007. The reversal of 869703988 is 889307968.

869703988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 265429264 + 604274724 = 16292^2 + 24582^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912120 + ... + 913072.

It is an arithmetic number, because the mean of its divisors is an integer number (63764883).

Almost surely, 2^869703988 is an apocalyptic number.

It is an amenable number.

869703988 is a deficient number, since it is larger than the sum of its proper divisors (660653204).

869703988 is a wasteful number, since it uses less digits than its factorization.

869703988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 869703988 is about 29490.7441072619. The cubic root of 869703988 is about 954.5319885486.

The spelling of 869703988 in words is "eight hundred sixty-nine million, seven hundred three thousand, nine hundred eighty-eight".