677586109139 has 4 divisors (see below), whose sum is σ = 679402694256. Its totient is φ = 675769524024.

The previous prime is 677586109129. The next prime is 677586109153. The reversal of 677586109139 is 931901685776.

677586109139 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 677586109139 - 2⁸ = 677586108883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677586109129) 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, 908291999 + ... + 908292744.

It is an arithmetic number, because the mean of its divisors is an integer number (169850673564).

Almost surely, 2^677586109139 is an apocalyptic number.

677586109139 is a deficient number, since it is larger than the sum of its proper divisors (1816585117).

677586109139 is a wasteful number, since it uses less digits than its factorization.

677586109139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816585116.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 677586109139 in words is "six hundred seventy-seven billion, five hundred eighty-six million, one hundred nine thousand, one hundred thirty-nine".