36086857 has 4 divisors (see below), whose sum is σ = 36172996. Its totient is φ = 36000720.

The previous prime is 36086789. The next prime is 36086861. The reversal of 36086857 is 75868063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75868063 = 349 ⋅217387.

It can be written as a sum of positive squares in 2 ways, for example, as 2493241 + 33593616 = 1579^2 + 5796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36086857 is a prime.

It is a super-2 number, since 2×36086857² = 2604522496276898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36086867) 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, 42438 + ... + 43279.

It is an arithmetic number, because the mean of its divisors is an integer number (9043249).

Almost surely, 2^36086857 is an apocalyptic number.

It is an amenable number.

36086857 is a deficient number, since it is larger than the sum of its proper divisors (86139).

36086857 is an equidigital number, since it uses as much as digits as its factorization.

36086857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86138.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 36086857 is about 6007.2337227712. The cubic root of 36086857 is about 330.4580629948.

The spelling of 36086857 in words is "thirty-six million, eighty-six thousand, eight hundred fifty-seven".