677808734 has 8 divisors (see below), whose sum is σ = 1076519808. Its totient is φ = 318968800.

The previous prime is 677808731. The next prime is 677808773. The reversal of 677808734 is 437808776.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677808731) 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, 9967742 + ... + 9967809.

It is an arithmetic number, because the mean of its divisors is an integer number (134564976).

Almost surely, 2^677808734 is an apocalyptic number.

677808734 is a deficient number, since it is larger than the sum of its proper divisors (398711074).

677808734 is a wasteful number, since it uses less digits than its factorization.

677808734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19935570.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 677808734 is about 26034.7601102833. The cubic root of 677808734 is about 878.4203470820.

The spelling of 677808734 in words is "six hundred seventy-seven million, eight hundred eight thousand, seven hundred thirty-four".