86153561 has 16 divisors (see below), whose sum is σ = 97179264. Its totient is φ = 75782784.

The previous prime is 86153549. The next prime is 86153609. The reversal of 86153561 is 16535168.

It is a cyclic number.

It is not a de Polignac number, because 86153561 - 2⁶ = 86153497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86158561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139325 + ... + 139941.

It is an arithmetic number, because the mean of its divisors is an integer number (6073704).

Almost surely, 2^86153561 is an apocalyptic number.

It is an amenable number.

86153561 is a deficient number, since it is larger than the sum of its proper divisors (11025703).

86153561 is a wasteful number, since it uses less digits than its factorization.

86153561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120.

The product of its digits is 21600, while the sum is 35.

The square root of 86153561 is about 9281.8942571008. The cubic root of 86153561 is about 441.6630605773.

The spelling of 86153561 in words is "eighty-six million, one hundred fifty-three thousand, five hundred sixty-one".