872597155 has 8 divisors (see below), whose sum is σ = 1047321072. Its totient is φ = 697941408.

The previous prime is 872597147. The next prime is 872597189. The reversal of 872597155 is 551795278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 872597155 - 2³ = 872597147 is a prime.

It is a super-2 number, since 2×872597155² = 1522851589828188050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 872597099 and 872597108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17484 + ... + 45286.

It is an arithmetic number, because the mean of its divisors is an integer number (130915134).

Almost surely, 2^872597155 is an apocalyptic number.

872597155 is a deficient number, since it is larger than the sum of its proper divisors (174723917).

872597155 is a wasteful number, since it uses less digits than its factorization.

872597155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34085.

The product of its digits is 882000, while the sum is 49.

The square root of 872597155 is about 29539.7555000037. The cubic root of 872597155 is about 955.5892692845.

The spelling of 872597155 in words is "eight hundred seventy-two million, five hundred ninety-seven thousand, one hundred fifty-five".