86368537 has 4 divisors (see below), whose sum is σ = 87339060. Its totient is φ = 85398016.

The previous prime is 86368493. The next prime is 86368603. The reversal of 86368537 is 73586368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46185616 + 40182921 = 6796^2 + 6339^2 .

It is a cyclic number.

It is not a de Polignac number, because 86368537 - 2¹⁹ = 85844249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86368237) 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, 485128 + ... + 485305.

It is an arithmetic number, because the mean of its divisors is an integer number (21834765).

Almost surely, 2^86368537 is an apocalyptic number.

It is an amenable number.

86368537 is a deficient number, since it is larger than the sum of its proper divisors (970523).

86368537 is an equidigital number, since it uses as much as digits as its factorization.

86368537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970522.

The product of its digits is 725760, while the sum is 46.

The square root of 86368537 is about 9293.4674368612. The cubic root of 86368537 is about 442.0301109685.

The spelling of 86368537 in words is "eighty-six million, three hundred sixty-eight thousand, five hundred thirty-seven".