770930397 has 12 divisors (see below), whose sum is σ = 1113812700. Its totient is φ = 513839808.

The previous prime is 770930389. The next prime is 770930411. The reversal of 770930397 is 793039077.

It can be written as a sum of positive squares in 2 ways, for example, as 696643236 + 74287161 = 26394^2 + 8619^2 .

It is not a de Polignac number, because 770930397 - 2³ = 770930389 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770930317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60979 + ... + 72527.

It is an arithmetic number, because the mean of its divisors is an integer number (92817725).

Almost surely, 2^770930397 is an apocalyptic number.

It is an amenable number.

770930397 is a deficient number, since it is larger than the sum of its proper divisors (342882303).

770930397 is a wasteful number, since it uses less digits than its factorization.

770930397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18972 (or 18969 counting only the distinct ones).

The product of its (nonzero) digits is 250047, while the sum is 45.

The square root of 770930397 is about 27765.6333801338. The cubic root of 770930397 is about 916.9346613151.

The spelling of 770930397 in words is "seven hundred seventy million, nine hundred thirty thousand, three hundred ninety-seven".