677687008705 has 8 divisors (see below), whose sum is σ = 929399326272. Its totient is φ = 464699663088.

The previous prime is 677687008693. The next prime is 677687008721. The reversal of 677687008705 is 507800786776.

677687008705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677687008705 - 2¹³ = 677687000513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9681242947 + ... + 9681243016.

It is an arithmetic number, because the mean of its divisors is an integer number (116174915784).

Almost surely, 2^677687008705 is an apocalyptic number.

It is an amenable number.

677687008705 is a deficient number, since it is larger than the sum of its proper divisors (251712317567).

677687008705 is a wasteful number, since it uses less digits than its factorization.

677687008705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19362485975.

The product of its (nonzero) digits is 27659520, while the sum is 61.

The spelling of 677687008705 in words is "six hundred seventy-seven billion, six hundred eighty-seven million, eight thousand, seven hundred five".