677366746643 has 4 divisors (see below), whose sum is σ = 683943122928. Its totient is φ = 670790370360.

The previous prime is 677366746549. The next prime is 677366746723. The reversal of 677366746643 is 346647663776.

677366746643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 677366746643 - 2²⁶ = 677299637779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677366746643.

It is not an unprimeable number, because it can be changed into a prime (677366746843) 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, 3288187988 + ... + 3288188193.

It is an arithmetic number, because the mean of its divisors is an integer number (170985780732).

Almost surely, 2^677366746643 is an apocalyptic number.

677366746643 is a deficient number, since it is larger than the sum of its proper divisors (6576376285).

677366746643 is a wasteful number, since it uses less digits than its factorization.

677366746643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576376284.

The product of its digits is 384072192, while the sum is 65.

The spelling of 677366746643 in words is "six hundred seventy-seven billion, three hundred sixty-six million, seven hundred forty-six thousand, six hundred forty-three".