86588961 has 4 divisors (see below), whose sum is σ = 115451952. Its totient is φ = 57725972.

The previous prime is 86588959. The next prime is 86588963. The reversal of 86588961 is 16988568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (86588959) and next prime (86588963).

It is a cyclic number.

It is not a de Polignac number, because 86588961 - 2¹ = 86588959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86588963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14431491 + ... + 14431496.

It is an arithmetic number, because the mean of its divisors is an integer number (28862988).

Almost surely, 2^86588961 is an apocalyptic number.

It is an amenable number.

86588961 is a deficient number, since it is larger than the sum of its proper divisors (28862991).

86588961 is a wasteful number, since it uses less digits than its factorization.

86588961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28862990.

The product of its digits is 829440, while the sum is 51.

The square root of 86588961 is about 9305.3189628298. The cubic root of 86588961 is about 442.4058314089.

The spelling of 86588961 in words is "eighty-six million, five hundred eighty-eight thousand, nine hundred sixty-one".