911933868 has 12 divisors (see below), whose sum is σ = 2127845720. Its totient is φ = 303977952.

The previous prime is 911933863. The next prime is 911933887. The reversal of 911933868 is 868339119.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (911933863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37997233 + ... + 37997256.

Almost surely, 2^911933868 is an apocalyptic number.

It is an amenable number.

911933868 is an abundant number, since it is smaller than the sum of its proper divisors (1215911852).

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

911933868 is a wasteful number, since it uses less digits than its factorization.

911933868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75994496 (or 75994494 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 911933868 is about 30198.2427965602. The cubic root of 911933868 is about 969.7380764447.

The spelling of 911933868 in words is "nine hundred eleven million, nine hundred thirty-three thousand, eight hundred sixty-eight".