872180063 has 4 divisors (see below), whose sum is σ = 872328408. Its totient is φ = 872031720.

The previous prime is 872180027. The next prime is 872180093. The reversal of 872180063 is 360081278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360081278 = 2 ⋅180040639.

It is a cyclic number.

It is not a de Polignac number, because 872180063 - 2⁶ = 872179999 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 (872180093) 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, 64973 + ... + 77238.

It is an arithmetic number, because the mean of its divisors is an integer number (218082102).

Almost surely, 2^872180063 is an apocalyptic number.

872180063 is a deficient number, since it is larger than the sum of its proper divisors (148345).

872180063 is a wasteful number, since it uses less digits than its factorization.

872180063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148344.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 872180063 is about 29532.6948143917. The cubic root of 872180063 is about 955.4369912419.

The spelling of 872180063 in words is "eight hundred seventy-two million, one hundred eighty thousand, sixty-three".