86130861 has 8 divisors (see below), whose sum is σ = 114885120. Its totient is φ = 57398592.

The previous prime is 86130839. The next prime is 86130871. The reversal of 86130861 is 16803168.

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

It is not a de Polignac number, because 86130861 - 2⁵ = 86130829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86130871) 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, 9460 + ... + 16178.

It is an arithmetic number, because the mean of its divisors is an integer number (14360640).

Almost surely, 2^86130861 is an apocalyptic number.

It is an amenable number.

86130861 is a deficient number, since it is larger than the sum of its proper divisors (28754259).

86130861 is a wasteful number, since it uses less digits than its factorization.

86130861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10995.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 86130861 is about 9280.6713658011. The cubic root of 86130861 is about 441.6242669317.

The spelling of 86130861 in words is "eighty-six million, one hundred thirty thousand, eight hundred sixty-one".