877390668 has 216 divisors, whose sum is σ = 2848285440. Its totient is φ = 225167040.

The previous prime is 877390651. The next prime is 877390681. The reversal of 877390668 is 866093778.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1998393 + ... + 1998831.

Almost surely, 2^877390668 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 877390668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424142720).

877390668 is an abundant number, since it is smaller than the sum of its proper divisors (1970894772).

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

877390668 is a wasteful number, since it uses less digits than its factorization.

877390668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 877390668 is about 29620.7810160367. The cubic root of 877390668 is about 957.3358818123.

The spelling of 877390668 in words is "eight hundred seventy-seven million, three hundred ninety thousand, six hundred sixty-eight".