770320061777 has 16 divisors (see below), whose sum is σ = 928964401920. Its totient is φ = 624470491392.

The previous prime is 770320061723. The next prime is 770320061807. The reversal of 770320061777 is 777160023077.

It is a cyclic number.

It is not a de Polignac number, because 770320061777 - 2¹⁰ = 770320060753 is a prime.

It is a super-2 number, since 2×770320061777² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770320061977) 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, 26865428 + ... + 26894085.

It is an arithmetic number, because the mean of its divisors is an integer number (58060275120).

Almost surely, 2^770320061777 is an apocalyptic number.

It is an amenable number.

770320061777 is a deficient number, since it is larger than the sum of its proper divisors (158644340143).

770320061777 is a wasteful number, since it uses less digits than its factorization.

770320061777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53759632.

The product of its (nonzero) digits is 605052, while the sum is 47.

The spelling of 770320061777 in words is "seven hundred seventy billion, three hundred twenty million, sixty-one thousand, seven hundred seventy-seven".