86531674 has 8 divisors (see below), whose sum is σ = 131256180. Its totient is φ = 42779616.

The previous prime is 86531617. The next prime is 86531713. The reversal of 86531674 is 47613568.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83083225 + 3448449 = 9115^2 + 1857^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242889 + ... + 243244.

Almost surely, 2^86531674 is an apocalyptic number.

86531674 is a deficient number, since it is larger than the sum of its proper divisors (44724506).

86531674 is a wasteful number, since it uses less digits than its factorization.

86531674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486224.

The product of its digits is 120960, while the sum is 40.

The square root of 86531674 is about 9302.2402678065. The cubic root of 86531674 is about 442.3082450891.

The spelling of 86531674 in words is "eighty-six million, five hundred thirty-one thousand, six hundred seventy-four".