900878520 has 64 divisors (see below), whose sum is σ = 2704648320. Its totient is φ = 240055424.

The previous prime is 900878519. The next prime is 900878543. The reversal of 900878520 is 25878009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267487 + ... + 270833.

It is an arithmetic number, because the mean of its divisors is an integer number (42260130).

Almost surely, 2^900878520 is an apocalyptic number.

It is an amenable number.

900878520 is an abundant number, since it is smaller than the sum of its proper divisors (1803769800).

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

900878520 is a wasteful number, since it uses less digits than its factorization.

900878520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604 (or 5600 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 900878520 is about 30014.6384286068. The cubic root of 900878520 is about 965.8034312344.

The spelling of 900878520 in words is "nine hundred million, eight hundred seventy-eight thousand, five hundred twenty".