15227732047 has 16 divisors (see below), whose sum is σ = 17029450368. Its totient is φ = 13498786080.

The previous prime is 15227732041. The next prime is 15227732063. The reversal of 15227732047 is 74023772251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15227732047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15227732041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14908 + ... + 175150.

It is an arithmetic number, because the mean of its divisors is an integer number (1064340648).

Almost surely, 2^15227732047 is an apocalyptic number.

15227732047 is a deficient number, since it is larger than the sum of its proper divisors (1801718321).

15227732047 is a wasteful number, since it uses less digits than its factorization.

15227732047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160470.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 15227732047 in words is "fifteen billion, two hundred twenty-seven million, seven hundred thirty-two thousand, forty-seven".