864360037 has 4 divisors (see below), whose sum is σ = 865770700. Its totient is φ = 862949376.

The previous prime is 864360031. The next prime is 864360041. The reversal of 864360037 is 730063468.

It is a happy number.

It is the 12003-rd star number.

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 19236996 + 845123041 = 4386^2 + 29071^2 .

It is a 6-Lehmer number, since φ(864360037) divides (864360037-1)⁶.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864360037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864359978 and 864360005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864360031) 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, 704412 + ... + 705637.

It is an arithmetic number, because the mean of its divisors is an integer number (216442675).

Almost surely, 2^864360037 is an apocalyptic number.

It is an amenable number.

864360037 is a deficient number, since it is larger than the sum of its proper divisors (1410663).

864360037 is a wasteful number, since it uses less digits than its factorization.

864360037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410662.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 864360037 is about 29400.0006292517. Note that the first 3 decimals coincide. The cubic root of 864360037 is about 952.5729098255.

Subtracting from 864360037 its sum of digits (37), we obtain a square (864360000 = 29400²).

The spelling of 864360037 in words is "eight hundred sixty-four million, three hundred sixty thousand, thirty-seven".