872603456 has 28 divisors (see below), whose sum is σ = 1755302052. Its totient is φ = 430322688.

The previous prime is 872603453. The next prime is 872603467. The reversal of 872603456 is 654306278.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 165894400 + 706709056 = 12880^2 + 26584^2 .

It is a super-2 number, since 2×872603456² = 1522873582846287872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872603453) 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, 88715 + ... + 98058.

It is an arithmetic number, because the mean of its divisors is an integer number (62689359).

Almost surely, 2^872603456 is an apocalyptic number.

It is an amenable number.

872603456 is an abundant number, since it is smaller than the sum of its proper divisors (882698596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872603456 is a wasteful number, since it uses less digits than its factorization.

872603456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186858 (or 186848 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 872603456 is about 29539.8621526912. The cubic root of 872603456 is about 955.5915693736.

The spelling of 872603456 in words is "eight hundred seventy-two million, six hundred three thousand, four hundred fifty-six".