86990959 has 8 divisors (see below), whose sum is σ = 97464528. Its totient is φ = 76944960.

The previous prime is 86990951. The next prime is 86990963. The reversal of 86990959 is 95909968.

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

It is a cyclic number.

It is not a de Polignac number, because 86990959 - 2³ = 86990951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86990951) 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, 106462 + ... + 107275.

It is an arithmetic number, because the mean of its divisors is an integer number (12183066).

Almost surely, 2^86990959 is an apocalyptic number.

86990959 is a deficient number, since it is larger than the sum of its proper divisors (10473569).

86990959 is a wasteful number, since it uses less digits than its factorization.

86990959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213785.

The product of its (nonzero) digits is 1574640, while the sum is 55.

The square root of 86990959 is about 9326.8943920257. The cubic root of 86990959 is about 443.0894125566.

It can be divided in two parts, 869909 and 59, that added together give a palindrome (869968).

The spelling of 86990959 in words is "eighty-six million, nine hundred ninety thousand, nine hundred fifty-nine".