770647380 has 48 divisors (see below), whose sum is σ = 2194395840. Its totient is φ = 202021888.

The previous prime is 770647337. The next prime is 770647403. The reversal of 770647380 is 83746077.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105309 + ... + 112388.

It is an arithmetic number, because the mean of its divisors is an integer number (45716580).

Almost surely, 2^770647380 is an apocalyptic number.

It is an amenable number.

770647380 is an abundant number, since it is smaller than the sum of its proper divisors (1423748460).

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

770647380 is a wasteful number, since it uses less digits than its factorization.

770647380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217768 (or 217766 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 770647380 is about 27760.5363781034. The cubic root of 770647380 is about 916.8224419930.

The spelling of 770647380 in words is "seven hundred seventy million, six hundred forty-seven thousand, three hundred eighty".