676811767 has 4 divisors (see below), whose sum is σ = 676990216. Its totient is φ = 676633320.

The previous prime is 676811761. The next prime is 676811783. The reversal of 676811767 is 767118676.

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-676811767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 676811767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676811761) 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, 83409 + ... + 91162.

It is an arithmetic number, because the mean of its divisors is an integer number (169247554).

Almost surely, 2^676811767 is an apocalyptic number.

676811767 is a deficient number, since it is larger than the sum of its proper divisors (178449).

676811767 is a wasteful number, since it uses less digits than its factorization.

676811767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178448.

The product of its digits is 592704, while the sum is 49.

The square root of 676811767 is about 26015.6062201133. The cubic root of 676811767 is about 877.9894557016.

The spelling of 676811767 in words is "six hundred seventy-six million, eight hundred eleven thousand, seven hundred sixty-seven".