86131707 has 8 divisors (see below), whose sum is σ = 121597776. Its totient is φ = 54043392.

The previous prime is 86131687. The next prime is 86131723. The reversal of 86131707 is 70713168.

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

It is not a de Polignac number, because 86131707 - 2¹² = 86127611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86131607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844378 + ... + 844479.

It is an arithmetic number, because the mean of its divisors is an integer number (15199722).

Almost surely, 2^86131707 is an apocalyptic number.

86131707 is a deficient number, since it is larger than the sum of its proper divisors (35466069).

86131707 is a wasteful number, since it uses less digits than its factorization.

86131707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688877.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 86131707 is about 9280.7169442883. The cubic root of 86131707 is about 441.6257128436.

The spelling of 86131707 in words is "eighty-six million, one hundred thirty-one thousand, seven hundred seven".