877201220 has 24 divisors (see below), whose sum is σ = 2105283264. Its totient is φ = 300754656.

The previous prime is 877201219. The next prime is 877201229. The reversal of 877201220 is 22102778.

It is not an unprimeable number, because it can be changed into a prime (877201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3132722 + ... + 3133001.

It is an arithmetic number, because the mean of its divisors is an integer number (87720136).

Almost surely, 2^877201220 is an apocalyptic number.

It is an amenable number.

877201220 is an abundant number, since it is smaller than the sum of its proper divisors (1228082044).

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

877201220 is a wasteful number, since it uses less digits than its factorization.

877201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265739 (or 6265737 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 877201220 is about 29617.5829533742. The cubic root of 877201220 is about 957.2669735407.

Adding to 877201220 its reverse (22102778), we get a palindrome (899303998).

The spelling of 877201220 in words is "eight hundred seventy-seven million, two hundred one thousand, two hundred twenty".