86576631 has 8 divisors (see below), whose sum is σ = 122225904. Its totient is φ = 54322560.

The previous prime is 86576621. The next prime is 86576647. The reversal of 86576631 is 13667568.

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

It is not a de Polignac number, because 86576631 - 2²² = 82382327 is a prime.

It is a super-3 number, since 3×86576631³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86576621) 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, 848740 + ... + 848841.

It is an arithmetic number, because the mean of its divisors is an integer number (15278238).

Almost surely, 2^86576631 is an apocalyptic number.

86576631 is a deficient number, since it is larger than the sum of its proper divisors (35649273).

86576631 is a wasteful number, since it uses less digits than its factorization.

86576631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697601.

The product of its digits is 181440, while the sum is 42.

The square root of 86576631 is about 9304.6564149355. The cubic root of 86576631 is about 442.3848313385.

The spelling of 86576631 in words is "eighty-six million, five hundred seventy-six thousand, six hundred thirty-one".