877780672 has 56 divisors (see below), whose sum is σ = 1788785856. Its totient is φ = 427139328.

The previous prime is 877780661. The next prime is 877780727. The reversal of 877780672 is 276087778.

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, 1284843 + ... + 1285525.

Almost surely, 2^877780672 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 877780672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894392928).

877780672 is an abundant number, since it is smaller than the sum of its proper divisors (911005184).

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

877780672 is a wasteful number, since it uses less digits than its factorization.

877780672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 52.

The square root of 877780672 is about 29627.3635681611. The cubic root of 877780672 is about 957.4777074664.

The spelling of 877780672 in words is "eight hundred seventy-seven million, seven hundred eighty thousand, six hundred seventy-two".