86131774 has 8 divisors (see below), whose sum is σ = 129331008. Its totient is φ = 43021440.

The previous prime is 86131739. The next prime is 86131789. The reversal of 86131774 is 47713168.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19747 + ... + 23710.

It is an arithmetic number, because the mean of its divisors is an integer number (16166376).

Almost surely, 2^86131774 is an apocalyptic number.

86131774 is a deficient number, since it is larger than the sum of its proper divisors (43199234).

86131774 is a wasteful number, since it uses less digits than its factorization.

86131774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44450.

The product of its digits is 28224, while the sum is 37.

The square root of 86131774 is about 9280.7205539225. The cubic root of 86131774 is about 441.6258273540.

The spelling of 86131774 in words is "eighty-six million, one hundred thirty-one thousand, seven hundred seventy-four".