677705556311 has 6 divisors (see below), whose sum is σ = 788351361480. Its totient is φ = 580890476796.

The previous prime is 677705556271. The next prime is 677705556313. The reversal of 677705556311 is 113655507776.

677705556311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677705556311 - 2³⁰ = 676631814487 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 (677705556313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6915362771 + ... + 6915362868.

It is an arithmetic number, because the mean of its divisors is an integer number (131391893580).

Almost surely, 2^677705556311 is an apocalyptic number.

677705556311 is a deficient number, since it is larger than the sum of its proper divisors (110645805169).

677705556311 is a wasteful number, since it uses less digits than its factorization.

677705556311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13830725653 (or 13830725646 counting only the distinct ones).

The product of its (nonzero) digits is 4630500, while the sum is 53.

The spelling of 677705556311 in words is "six hundred seventy-seven billion, seven hundred five million, five hundred fifty-six thousand, three hundred eleven".