770385646317 has 8 divisors (see below), whose sum is σ = 1173920984896. Its totient is φ = 440220369312.

The previous prime is 770385646279. The next prime is 770385646321. The reversal of 770385646317 is 713646583077.

770385646317 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 770385646317 - 2¹¹ = 770385644269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770385646417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18342515368 + ... + 18342515409.

It is an arithmetic number, because the mean of its divisors is an integer number (146740123112).

Almost surely, 2^770385646317 is an apocalyptic number.

It is an amenable number.

770385646317 is a deficient number, since it is larger than the sum of its proper divisors (403535338579).

770385646317 is a wasteful number, since it uses less digits than its factorization.

770385646317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36685030787.

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 770385646317 in words is "seven hundred seventy billion, three hundred eighty-five million, six hundred forty-six thousand, three hundred seventeen".