86135537 has 6 divisors (see below), whose sum is σ = 88009458. Its totient is φ = 84300704.

The previous prime is 86135521. The next prime is 86135561. The reversal of 86135537 is 73553168.

It can be written as a sum of positive squares in only one way, i.e., 65351056 + 20784481 = 8084^2 + 4559^2 .

It is not a de Polignac number, because 86135537 - 2⁴ = 86135521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86135537.

It is not an unprimeable number, because it can be changed into a prime (86135507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17288 + ... + 21705.

It is an arithmetic number, because the mean of its divisors is an integer number (14668243).

Almost surely, 2^86135537 is an apocalyptic number.

It is an amenable number.

86135537 is a deficient number, since it is larger than the sum of its proper divisors (1873921).

86135537 is an equidigital number, since it uses as much as digits as its factorization.

86135537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39087 (or 39040 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 86135537 is about 9280.9232838118. The cubic root of 86135537 is about 441.6322586383.

The spelling of 86135537 in words is "eighty-six million, one hundred thirty-five thousand, five hundred thirty-seven".