677859402689 has 24 divisors (see below), whose sum is σ = 845052527808. Its totient is φ = 540739916640.

The previous prime is 677859402659. The next prime is 677859402691. The reversal of 677859402689 is 986204958776.

677859402689 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 677859402689 - 2³² = 673564435393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677859402659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8086307 + ... + 8169704.

It is an arithmetic number, because the mean of its divisors is an integer number (35210521992).

Almost surely, 2^677859402689 is an apocalyptic number.

It is an amenable number.

677859402689 is a deficient number, since it is larger than the sum of its proper divisors (167193125119).

677859402689 is a wasteful number, since it uses less digits than its factorization.

677859402689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16256085 (or 16256078 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 71.

The spelling of 677859402689 in words is "six hundred seventy-seven billion, eight hundred fifty-nine million, four hundred two thousand, six hundred eighty-nine".