872380823 has 16 divisors (see below), whose sum is σ = 965385216. Its totient is φ = 784122240.

The previous prime is 872380787. The next prime is 872380829. The reversal of 872380823 is 328083278.

It is a cyclic number.

It is not a de Polignac number, because 872380823 - 2¹⁰ = 872379799 is a prime.

It is a super-2 number, since 2×872380823² = 1522096600676314658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872380829) 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, 320438 + ... + 323148.

It is an arithmetic number, because the mean of its divisors is an integer number (60336576).

Almost surely, 2^872380823 is an apocalyptic number.

872380823 is a deficient number, since it is larger than the sum of its proper divisors (93004393).

872380823 is a wasteful number, since it uses less digits than its factorization.

872380823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 872380823 is about 29536.0935636384. The cubic root of 872380823 is about 955.5102936952.

The spelling of 872380823 in words is "eight hundred seventy-two million, three hundred eighty thousand, eight hundred twenty-three".