677673667 has 4 divisors (see below), whose sum is σ = 739280376. Its totient is φ = 616066960.

The previous prime is 677673643. The next prime is 677673709. The reversal of 677673667 is 766376776.

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-677673667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677673067) 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, 30803338 + ... + 30803359.

It is an arithmetic number, because the mean of its divisors is an integer number (184820094).

Almost surely, 2^677673667 is an apocalyptic number.

677673667 is a deficient number, since it is larger than the sum of its proper divisors (61606709).

677673667 is a wasteful number, since it uses less digits than its factorization.

677673667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61606708.

The product of its digits is 9335088, while the sum is 55.

The square root of 677673667 is about 26032.1660066926. The cubic root of 677673667 is about 878.3619955753.

The spelling of 677673667 in words is "six hundred seventy-seven million, six hundred seventy-three thousand, six hundred sixty-seven".