770616980 has 24 divisors (see below), whose sum is σ = 1849481088. Its totient is φ = 264211488.

The previous prime is 770616961. The next prime is 770616997. The reversal of 770616980 is 89616077.

It is a congruent number.

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, 2752064 + ... + 2752343.

It is an arithmetic number, because the mean of its divisors is an integer number (77061712).

Almost surely, 2^770616980 is an apocalyptic number.

770616980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

770616980 is an abundant number, since it is smaller than the sum of its proper divisors (1078864108).

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

770616980 is a wasteful number, since it uses less digits than its factorization.

770616980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504423 (or 5504421 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 770616980 is about 27759.9888328508. The cubic root of 770616980 is about 916.8103864280.

The spelling of 770616980 in words is "seven hundred seventy million, six hundred sixteen thousand, nine hundred eighty".