869698942 has 24 divisors (see below), whose sum is σ = 1546177896. Its totient is φ = 365693328.

The previous prime is 869698919. The next prime is 869698961. The reversal of 869698942 is 249896968.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78528 + ... + 88915.

It is an arithmetic number, because the mean of its divisors is an integer number (64424079).

Almost surely, 2^869698942 is an apocalyptic number.

869698942 is a deficient number, since it is larger than the sum of its proper divisors (676478954).

869698942 is a wasteful number, since it uses less digits than its factorization.

869698942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167512 (or 167505 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 61.

The square root of 869698942 is about 29490.6585548712. The cubic root of 869698942 is about 954.5301424884.

The spelling of 869698942 in words is "eight hundred sixty-nine million, six hundred ninety-eight thousand, nine hundred forty-two".