872541655 has 16 divisors (see below), whose sum is σ = 1137715200. Its totient is φ = 639960480.

The previous prime is 872541653. The next prime is 872541661. The reversal of 872541655 is 556145278.

It is not a de Polignac number, because 872541655 - 2¹ = 872541653 is a prime.

It is a super-2 number, since 2×872541655² = 1522657879420278050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872541653) 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, 145195 + ... + 151084.

It is an arithmetic number, because the mean of its divisors is an integer number (71107200).

Almost surely, 2^872541655 is an apocalyptic number.

872541655 is a deficient number, since it is larger than the sum of its proper divisors (265173545).

872541655 is a wasteful number, since it uses less digits than its factorization.

872541655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296334.

The product of its digits is 336000, while the sum is 43.

The square root of 872541655 is about 29538.8160730927. The cubic root of 872541655 is about 955.5690093327.

The spelling of 872541655 in words is "eight hundred seventy-two million, five hundred forty-one thousand, six hundred fifty-five".