899130520 has 32 divisors (see below), whose sum is σ = 2027650320. Its totient is φ = 358833280.

The previous prime is 899130503. The next prime is 899130563. The reversal of 899130520 is 25031998.

899130520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 899130520.

It is a congruent number.

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, 7651 + ... + 43090.

Almost surely, 2^899130520 is an apocalyptic number.

It is an amenable number.

899130520 is an abundant number, since it is smaller than the sum of its proper divisors (1128519800).

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

899130520 is a wasteful number, since it uses less digits than its factorization.

899130520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51195 (or 51191 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 899130520 is about 29985.5051649960. The cubic root of 899130520 is about 965.1783682387.

The spelling of 899130520 in words is "eight hundred ninety-nine million, one hundred thirty thousand, five hundred twenty".