86602561 has 8 divisors (see below), whose sum is σ = 89538048. Its totient is φ = 83676000.

The previous prime is 86602553. The next prime is 86602603. The reversal of 86602561 is 16520668.

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 86602561 - 2³ = 86602553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86602261) 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, 21756 + ... + 25426.

It is an arithmetic number, because the mean of its divisors is an integer number (11192256).

Almost surely, 2^86602561 is an apocalyptic number.

It is an amenable number.

86602561 is a deficient number, since it is larger than the sum of its proper divisors (2935487).

86602561 is a wasteful number, since it uses less digits than its factorization.

86602561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 86602561 is about 9306.0496989861. The cubic root of 86602561 is about 442.4289921916.

The spelling of 86602561 in words is "eighty-six million, six hundred two thousand, five hundred sixty-one".