86618785286674 has 16 divisors (see below), whose sum is σ = 138575179903608. Its totient is φ = 40464250058752.

The previous prime is 86618785286647. The next prime is 86618785286689. The reversal of 86618785286674 is 47668258781668.

It can be written as a sum of positive squares in 4 ways, for example, as 83837371875625 + 2781413411049 = 9156275^2 + 1667757^2 .

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, 9297846919 + ... + 9297856234.

Almost surely, 2^{86618785286674} is an apocalyptic number.

86618785286674 is a deficient number, since it is larger than the sum of its proper divisors (51956394616934).

86618785286674 is a wasteful number, since it uses less digits than its factorization.

86618785286674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18595703309.

The product of its digits is 10404495360, while the sum is 82.

The spelling of 86618785286674 in words is "eighty-six trillion, six hundred eighteen billion, seven hundred eighty-five million, two hundred eighty-six thousand, six hundred seventy-four".