86957399584251 has 12 divisors (see below), whose sum is σ = 143548723123312. Its totient is φ = 49689942619536.

The previous prime is 86957399584199. The next prime is 86957399584327. The reversal of 86957399584251 is 15248599375968.

86957399584251 is a `hidden beast` number, since 8 + 6 + 9 + 5 + 7 + 3 + 9 + 9 + 584 + 25 + 1 = 666.

It is not a de Polignac number, because 86957399584251 - 2⁷ = 86957399584123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86957399584151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690138091876 + ... + 690138092001.

Almost surely, 2^{86957399584251} is an apocalyptic number.

86957399584251 is a deficient number, since it is larger than the sum of its proper divisors (56591323539061).

86957399584251 is a wasteful number, since it uses less digits than its factorization.

86957399584251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380276183890 (or 1380276183887 counting only the distinct ones).

The product of its digits is 5878656000, while the sum is 81.

The spelling of 86957399584251 in words is "eighty-six trillion, nine hundred fifty-seven billion, three hundred ninety-nine million, five hundred eighty-four thousand, two hundred fifty-one".