15387537484 has 24 divisors (see below), whose sum is σ = 29383841088. Its totient is φ = 6992517840.

The previous prime is 15387537463. The next prime is 15387537497. The reversal of 15387537484 is 48473578351.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133767 + ... + 220609.

It is an arithmetic number, because the mean of its divisors is an integer number (1224326712).

Almost surely, 2^15387537484 is an apocalyptic number.

It is an amenable number.

15387537484 is a deficient number, since it is larger than the sum of its proper divisors (13996303604).

15387537484 is a wasteful number, since it uses less digits than its factorization.

15387537484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90885 (or 90883 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 55.

The spelling of 15387537484 in words is "fifteen billion, three hundred eighty-seven million, five hundred thirty-seven thousand, four hundred eighty-four".