905879868 has 48 divisors (see below), whose sum is σ = 2137707936. Its totient is φ = 298547200.

The previous prime is 905879857. The next prime is 905879879. The reversal of 905879868 is 868978509.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (905879857) and next prime (905879879).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950080 + ... + 951032.

It is an arithmetic number, because the mean of its divisors is an integer number (44535582).

Almost surely, 2^905879868 is an apocalyptic number.

It is an amenable number.

905879868 is an abundant number, since it is smaller than the sum of its proper divisors (1231828068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

905879868 is a wasteful number, since it uses less digits than its factorization.

905879868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1772 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 60.

The square root of 905879868 is about 30097.8382612439. The cubic root of 905879868 is about 967.5873964411.

The spelling of 905879868 in words is "nine hundred five million, eight hundred seventy-nine thousand, eight hundred sixty-eight".