677006767 has 4 divisors (see below), whose sum is σ = 677653200. Its totient is φ = 676360336.

The previous prime is 677006761. The next prime is 677006779. The reversal of 677006767 is 767600776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677006767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677006761) 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, 321643 + ... + 323740.

It is an arithmetic number, because the mean of its divisors is an integer number (169413300).

Almost surely, 2^677006767 is an apocalyptic number.

677006767 is a deficient number, since it is larger than the sum of its proper divisors (646433).

677006767 is a wasteful number, since it uses less digits than its factorization.

677006767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646432.

The product of its (nonzero) digits is 518616, while the sum is 46.

The square root of 677006767 is about 26019.3537006591. The cubic root of 677006767 is about 878.0737684122.

The spelling of 677006767 in words is "six hundred seventy-seven million, six thousand, seven hundred sixty-seven".