770800880 has 40 divisors (see below), whose sum is σ = 1821502464. Its totient is φ = 303264000.

The previous prime is 770800871. The next prime is 770800883. The reversal of 770800880 is 88008077.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770800883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74096 + ... + 83855.

Almost surely, 2^770800880 is an apocalyptic number.

It is an amenable number.

770800880 is an abundant number, since it is smaller than the sum of its proper divisors (1050701584).

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

770800880 is a wasteful number, since it uses less digits than its factorization.

770800880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158025 (or 158019 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 770800880 is about 27763.3009564785. The cubic root of 770800880 is about 916.8833098234.

The spelling of 770800880 in words is "seven hundred seventy million, eight hundred thousand, eight hundred eighty".