770868385 has 16 divisors (see below), whose sum is σ = 1079686656. Its totient is φ = 517347648.

The previous prime is 770868379. The next prime is 770868389. The reversal of 770868385 is 583868077.

It is a cyclic number.

It is not a de Polignac number, because 770868385 - 2⁷ = 770868257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770868389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232662 + ... + 235951.

It is an arithmetic number, because the mean of its divisors is an integer number (67480416).

Almost surely, 2^770868385 is an apocalyptic number.

It is an amenable number.

770868385 is a deficient number, since it is larger than the sum of its proper divisors (308818271).

770868385 is a wasteful number, since it uses less digits than its factorization.

770868385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468672.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 770868385 is about 27764.5166534554. The cubic root of 770868385 is about 916.9100752318.

The spelling of 770868385 in words is "seven hundred seventy million, eight hundred sixty-eight thousand, three hundred eighty-five".