770402880 has 448 divisors, whose sum is σ = 3089452800. Its totient is φ = 179656704.

The previous prime is 770402879. The next prime is 770402887. The reversal of 770402880 is 88204077.

770402880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770402887) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40547511 + ... + 40547529.

It is an arithmetic number, because the mean of its divisors is an integer number (6896100).

Almost surely, 2^770402880 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 770402880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544726400).

770402880 is an abundant number, since it is smaller than the sum of its proper divisors (2319049920).

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

770402880 is a wasteful number, since it uses less digits than its factorization.

770402880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 770402880 is about 27756.1322954046. The cubic root of 770402880 is about 916.7254729583.

The spelling of 770402880 in words is "seven hundred seventy million, four hundred two thousand, eight hundred eighty".