677091705 has 8 divisors (see below), whose sum is σ = 1083346752. Its totient is φ = 361115568.

The previous prime is 677091697. The next prime is 677091721. The reversal of 677091705 is 507190776.

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

It is not a de Polignac number, because 677091705 - 2³ = 677091697 is a prime.

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, 22569709 + ... + 22569738.

It is an arithmetic number, because the mean of its divisors is an integer number (135418344).

Almost surely, 2^677091705 is an apocalyptic number.

It is an amenable number.

677091705 is a deficient number, since it is larger than the sum of its proper divisors (406255047).

677091705 is a wasteful number, since it uses less digits than its factorization.

677091705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45139455.

The product of its (nonzero) digits is 92610, while the sum is 42.

The square root of 677091705 is about 26020.9858575727. The cubic root of 677091705 is about 878.1104882376.

The spelling of 677091705 in words is "six hundred seventy-seven million, ninety-one thousand, seven hundred five".