872357793 has 16 divisors (see below), whose sum is σ = 1194448896. Its totient is φ = 566092800.

The previous prime is 872357791. The next prime is 872357821. The reversal of 872357793 is 397753278.

It is not a de Polignac number, because 872357793 - 2¹ = 872357791 is a prime.

It is a super-2 number, since 2×872357793² = 1522016238015661698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872357791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408 + ... + 41793.

It is an arithmetic number, because the mean of its divisors is an integer number (74653056).

Almost surely, 2^872357793 is an apocalyptic number.

It is an amenable number.

872357793 is a deficient number, since it is larger than the sum of its proper divisors (322091103).

872357793 is a wasteful number, since it uses less digits than its factorization.

872357793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43384.

The product of its digits is 2222640, while the sum is 51.

The square root of 872357793 is about 29535.7036990826. The cubic root of 872357793 is about 955.5018854423.

The spelling of 872357793 in words is "eight hundred seventy-two million, three hundred fifty-seven thousand, seven hundred ninety-three".