877225521 has 8 divisors (see below), whose sum is σ = 1169820000. Its totient is φ = 584724032.

The previous prime is 877225513. The next prime is 877225579. The reversal of 877225521 is 125522778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 877225521 - 2³ = 877225513 is a prime.

It is a super-2 number, since 2×877225521² = 1539049229387442882, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 877225521.

It is not an unprimeable number, because it can be changed into a prime (877225021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3001 + ... + 41993.

It is an arithmetic number, because the mean of its divisors is an integer number (146227500).

Almost surely, 2^877225521 is an apocalyptic number.

It is an amenable number.

877225521 is a deficient number, since it is larger than the sum of its proper divisors (292594479).

877225521 is a wasteful number, since it uses less digits than its factorization.

877225521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46495.

The product of its digits is 78400, while the sum is 39.

The square root of 877225521 is about 29617.9931967039. The cubic root of 877225521 is about 957.2758131431.

The spelling of 877225521 in words is "eight hundred seventy-seven million, two hundred twenty-five thousand, five hundred twenty-one".