770255402317 has 4 divisors (see below), whose sum is σ = 770311106656. Its totient is φ = 770199697980.

The previous prime is 770255402309. The next prime is 770255402339. The reversal of 770255402317 is 713204552077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 713204552077 = 89 ⋅8013534293.

It is a cyclic number.

It is not a de Polignac number, because 770255402317 - 2³ = 770255402309 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 (770255402017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27831423 + ... + 27859084.

It is an arithmetic number, because the mean of its divisors is an integer number (192577776664).

Almost surely, 2^770255402317 is an apocalyptic number.

It is an amenable number.

770255402317 is a deficient number, since it is larger than the sum of its proper divisors (55704339).

770255402317 is a wasteful number, since it uses less digits than its factorization.

770255402317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55704338.

The product of its (nonzero) digits is 411600, while the sum is 43.

The spelling of 770255402317 in words is "seven hundred seventy billion, two hundred fifty-five million, four hundred two thousand, three hundred seventeen".