877267620 has 144 divisors (see below), whose sum is σ = 2817360000. Its totient is φ = 220340736.

The previous prime is 877267619. The next prime is 877267673. The reversal of 877267620 is 26762778.

It is a happy number.

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 679936 + ... + 681224.

It is an arithmetic number, because the mean of its divisors is an integer number (19565000).

Almost surely, 2^877267620 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 877267620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408680000).

877267620 is an abundant number, since it is smaller than the sum of its proper divisors (1940092380).

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

877267620 is a wasteful number, since it uses less digits than its factorization.

877267620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 877267620 is about 29618.7038879151. The cubic root of 877267620 is about 957.2911264647.

The spelling of 877267620 in words is "eight hundred seventy-seven million, two hundred sixty-seven thousand, six hundred twenty".