877097210220 has 672 divisors, whose sum is σ = 3523289172480. Its totient is φ = 178005703680.

The previous prime is 877097210191. The next prime is 877097210233. The reversal of 877097210220 is 22012790778.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 48265296 + ... + 48283464.

It is an arithmetic number, because the mean of its divisors is an integer number (5242989840).

Almost surely, 2^877097210220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877097210220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761644586240).

877097210220 is an abundant number, since it is smaller than the sum of its proper divisors (2646191962260).

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

877097210220 is a wasteful number, since it uses less digits than its factorization.

877097210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18257 (or 18240 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The spelling of 877097210220 in words is "eight hundred seventy-seven billion, ninety-seven million, two hundred ten thousand, two hundred twenty".