86131761 has 8 divisors (see below), whose sum is σ = 115212864. Its totient is φ = 57235920.

The previous prime is 86131739. The next prime is 86131789. The reversal of 86131761 is 16713168.

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

It is not a de Polignac number, because 86131761 - 2⁵ = 86131729 is a prime.

It is a super-2 number, since 2×86131761² = 14837360505922242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86131261) 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, 45226 + ... + 47091.

It is an arithmetic number, because the mean of its divisors is an integer number (14401608).

Almost surely, 2^86131761 is an apocalyptic number.

It is an amenable number.

86131761 is a deficient number, since it is larger than the sum of its proper divisors (29081103).

86131761 is a wasteful number, since it uses less digits than its factorization.

86131761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92631.

The product of its digits is 6048, while the sum is 33.

The square root of 86131761 is about 9280.7198535458. The cubic root of 86131761 is about 441.6258051355.

The spelling of 86131761 in words is "eighty-six million, one hundred thirty-one thousand, seven hundred sixty-one".