15579223948 has 6 divisors (see below), whose sum is σ = 27263641916. Its totient is φ = 7789611972.

The previous prime is 15579223939. The next prime is 15579223967. The reversal of 15579223948 is 84932297551.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947402990 + ... + 1947402997.

Almost surely, 2^15579223948 is an apocalyptic number.

It is an amenable number.

15579223948 is a deficient number, since it is larger than the sum of its proper divisors (11684417968).

15579223948 is a wasteful number, since it uses less digits than its factorization.

15579223948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894805991 (or 3894805989 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 55.

The spelling of 15579223948 in words is "fifteen billion, five hundred seventy-nine million, two hundred twenty-three thousand, nine hundred forty-eight".