86502231674 has 4 divisors (see below), whose sum is σ = 129753347514. Its totient is φ = 43251115836.

The previous prime is 86502231659. The next prime is 86502231679. The reversal of 86502231674 is 47613220568.

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., 49481778025 + 37020453649 = 222445^2 + 192407^2 .

It is not an unprimeable number, because it can be changed into a prime (86502231679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21625557917 + ... + 21625557920.

Almost surely, 2^86502231674 is an apocalyptic number.

86502231674 is a deficient number, since it is larger than the sum of its proper divisors (43251115840).

86502231674 is a wasteful number, since it uses less digits than its factorization.

86502231674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43251115839.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 86502231674 in words is "eighty-six billion, five hundred two million, two hundred thirty-one thousand, six hundred seventy-four".