872372159 has 4 divisors (see below), whose sum is σ = 876892416. Its totient is φ = 867851904.

The previous prime is 872372143. The next prime is 872372161. The reversal of 872372159 is 951273278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951273278 = 2 ⋅475636639.

It is a cyclic number.

It is not a de Polignac number, because 872372159 - 2⁴ = 872372143 is a prime.

It is a super-2 number, since 2×872372159² = 1522066367596642562, 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 (872372659) 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, 2259839 + ... + 2260224.

It is an arithmetic number, because the mean of its divisors is an integer number (219223104).

Almost surely, 2^872372159 is an apocalyptic number.

872372159 is a deficient number, since it is larger than the sum of its proper divisors (4520257).

872372159 is a wasteful number, since it uses less digits than its factorization.

872372159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520256.

The product of its digits is 211680, while the sum is 44.

The square root of 872372159 is about 29535.9468952665. The cubic root of 872372159 is about 955.5071304862.

The spelling of 872372159 in words is "eight hundred seventy-two million, three hundred seventy-two thousand, one hundred fifty-nine".