15900086357087 has 8 divisors (see below), whose sum is σ = 17052724197360. Its totient is φ = 14779027635840.

The previous prime is 15900086357059. The next prime is 15900086357171. The reversal of 15900086357087 is 78075368000951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15900086357087 - 2¹⁴ = 15900086340703 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 (15900086357047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7894778714 + ... + 7894780727.

It is an arithmetic number, because the mean of its divisors is an integer number (2131590524670).

Almost surely, 2^{15900086357087} is an apocalyptic number.

15900086357087 is a deficient number, since it is larger than the sum of its proper divisors (1152637840273).

15900086357087 is a wasteful number, since it uses less digits than its factorization.

15900086357087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789559513.

The product of its (nonzero) digits is 12700800, while the sum is 59.

The spelling of 15900086357087 in words is "fifteen trillion, nine hundred billion, eighty-six million, three hundred fifty-seven thousand, eighty-seven".