770064384 has 60 divisors (see below), whose sum is σ = 2053573424. Its totient is φ = 256671744.

The previous prime is 770064353. The next prime is 770064409. The reversal of 770064384 is 483460077.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41319 + ... + 56985.

Almost surely, 2^770064384 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 770064384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026786712).

770064384 is an abundant number, since it is smaller than the sum of its proper divisors (1283509040).

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

770064384 is an equidigital number, since it uses as much as digits as its factorization.

770064384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15698 (or 15672 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 770064384 is about 27750.0339459252. The cubic root of 770064384 is about 916.5911911117.

The spelling of 770064384 in words is "seven hundred seventy million, sixty-four thousand, three hundred eighty-four".