86814888674 has 4 divisors (see below), whose sum is σ = 130222333014. Its totient is φ = 43407444336.

The previous prime is 86814888637. The next prime is 86814888731. The reversal of 86814888674 is 47688841868.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53827248049 + 32987640625 = 232007^2 + 181625^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21703722167 + ... + 21703722170.

Almost surely, 2^86814888674 is an apocalyptic number.

86814888674 is a deficient number, since it is larger than the sum of its proper divisors (43407444340).

86814888674 is a wasteful number, since it uses less digits than its factorization.

86814888674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43407444339.

The product of its digits is 132120576, while the sum is 68.

The spelling of 86814888674 in words is "eighty-six billion, eight hundred fourteen million, eight hundred eighty-eight thousand, six hundred seventy-four".