86115545 has 16 divisors (see below), whose sum is σ = 106261632. Its totient is φ = 66971520.

The previous prime is 86115527. The next prime is 86115577. The reversal of 86115545 is 54551168.

It is a happy number.

It is not a de Polignac number, because 86115545 - 2⁶ = 86115481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24254 + ... + 27576.

It is an arithmetic number, because the mean of its divisors is an integer number (6641352).

Almost surely, 2^86115545 is an apocalyptic number.

It is an amenable number.

86115545 is a deficient number, since it is larger than the sum of its proper divisors (20146087).

86115545 is a wasteful number, since it uses less digits than its factorization.

86115545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472.

The product of its digits is 24000, while the sum is 35.

The square root of 86115545 is about 9279.8461732940. The cubic root of 86115545 is about 441.5980884781.

The spelling of 86115545 in words is "eighty-six million, one hundred fifteen thousand, five hundred forty-five".