15864087364 has 12 divisors (see below), whose sum is σ = 27763075564. Its totient is φ = 7931780064.

The previous prime is 15864087361. The next prime is 15864087409. The reversal of 15864087364 is 46378046851.

It can be written as a sum of positive squares in 2 ways, for example, as 4370532100 + 11493555264 = 66110^2 + 107208^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (15864087361) 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, 143242 + ... + 228574.

Almost surely, 2^15864087364 is an apocalyptic number.

It is an amenable number.

15864087364 is a deficient number, since it is larger than the sum of its proper divisors (11898988200).

15864087364 is a wasteful number, since it uses less digits than its factorization.

15864087364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131814 (or 131812 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 15864087364 in words is "fifteen billion, eight hundred sixty-four million, eighty-seven thousand, three hundred sixty-four".