872605104 has 80 divisors (see below), whose sum is σ = 2727825408. Its totient is φ = 234648576.

The previous prime is 872605093. The next prime is 872605109. The reversal of 872605104 is 401506278.

It is a super-2 number, since 2×872605104² = 1522879335053701632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872605109) 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, 70672 + ... + 82095.

Almost surely, 2^872605104 is an apocalyptic number.

872605104 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

872605104 is an abundant number, since it is smaller than the sum of its proper divisors (1855220304).

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

872605104 is a wasteful number, since it uses less digits than its factorization.

872605104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152802 (or 152796 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 872605104 is about 29539.8900471887. The cubic root of 872605104 is about 955.5921709504.

The spelling of 872605104 in words is "eight hundred seventy-two million, six hundred five thousand, one hundred four".