1047637868 has 24 divisors (see below), whose sum is σ = 1856156400. Its totient is φ = 517321728.

The previous prime is 1047637841. The next prime is 1047637883. The reversal of 1047637868 is 8687367401.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 518396 + ... + 520412.

It is an arithmetic number, because the mean of its divisors is an integer number (77339850).

Almost surely, 2^1047637868 is an apocalyptic number.

It is an amenable number.

1047637868 is a deficient number, since it is larger than the sum of its proper divisors (808518532).

1047637868 is a wasteful number, since it uses less digits than its factorization.

1047637868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 1047637868 is about 32367.2344818027. The cubic root of 1047637868 is about 1015.6336060279.

The spelling of 1047637868 in words is "one billion, forty-seven million, six hundred thirty-seven thousand, eight hundred sixty-eight".