770776375663 has 4 divisors (see below), whose sum is σ = 880887286480. Its totient is φ = 660665464848.

The previous prime is 770776375609. The next prime is 770776375679. The reversal of 770776375663 is 366573677077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 770776375663 - 2²⁹ = 770239504751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 770776375595 and 770776375604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770776375763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55055455398 + ... + 55055455411.

It is an arithmetic number, because the mean of its divisors is an integer number (220221821620).

Almost surely, 2^770776375663 is an apocalyptic number.

770776375663 is a deficient number, since it is larger than the sum of its proper divisors (110110910817).

770776375663 is a wasteful number, since it uses less digits than its factorization.

770776375663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110110910816.

The product of its (nonzero) digits is 163364040, while the sum is 64.

The spelling of 770776375663 in words is "seven hundred seventy billion, seven hundred seventy-six million, three hundred seventy-five thousand, six hundred sixty-three".