877225520 has 40 divisors (see below), whose sum is σ = 2128229856. Its totient is φ = 335633408.

The previous prime is 877225513. The next prime is 877225579. The reversal of 877225520 is 25522778.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×877225520² = 1539049225878540800, which contains 22 as substring.

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, 236537 + ... + 240216.

Almost surely, 2^877225520 is an apocalyptic number.

877225520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

877225520 is an abundant number, since it is smaller than the sum of its proper divisors (1251004336).

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

877225520 is a wasteful number, since it uses less digits than its factorization.

877225520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476789 (or 476783 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 877225520 is about 29617.9931798223. The cubic root of 877225520 is about 957.2758127793.

The spelling of 877225520 in words is "eight hundred seventy-seven million, two hundred twenty-five thousand, five hundred twenty".