864879037 has 4 divisors (see below), whose sum is σ = 943504416. Its totient is φ = 786253660.

The previous prime is 864879023. The next prime is 864879049. The reversal of 864879037 is 730978468.

It is a happy number.

864879037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864879037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864879077) 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, 39312673 + ... + 39312694.

It is an arithmetic number, because the mean of its divisors is an integer number (235876104).

Almost surely, 2^864879037 is an apocalyptic number.

It is an amenable number.

864879037 is a deficient number, since it is larger than the sum of its proper divisors (78625379).

864879037 is a wasteful number, since it uses less digits than its factorization.

864879037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78625378.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 864879037 is about 29408.8258351128. The cubic root of 864879037 is about 952.7635273158.

The spelling of 864879037 in words is "eight hundred sixty-four million, eight hundred seventy-nine thousand, thirty-seven".