677347767 has 6 divisors (see below), whose sum is σ = 978391232. Its totient is φ = 451565172.

The previous prime is 677347747. The next prime is 677347787. The reversal of 677347767 is 767743776.

It is an interprime number because it is at equal distance from previous prime (677347747) and next prime (677347787).

It is not a de Polignac number, because 677347767 - 2⁷ = 677347639 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 (677347717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37630423 + ... + 37630440.

Almost surely, 2^677347767 is an apocalyptic number.

677347767 is a deficient number, since it is larger than the sum of its proper divisors (301043465).

677347767 is a wasteful number, since it uses less digits than its factorization.

677347767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75260869 (or 75260866 counting only the distinct ones).

The product of its digits is 7260624, while the sum is 54.

The square root of 677347767 is about 26025.9056902925. The cubic root of 677347767 is about 878.2211686607.

The spelling of 677347767 in words is "six hundred seventy-seven million, three hundred forty-seven thousand, seven hundred sixty-seven".