677506667 has 8 divisors (see below), whose sum is σ = 712001136. Its totient is φ = 643864032.

The previous prime is 677506663. The next prime is 677506679. The reversal of 677506667 is 766605776.

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

It is a cyclic number.

It is not a de Polignac number, because 677506667 - 2² = 677506663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677506663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211328 + ... + 214509.

It is an arithmetic number, because the mean of its divisors is an integer number (89000142).

Almost surely, 2^677506667 is an apocalyptic number.

677506667 is a deficient number, since it is larger than the sum of its proper divisors (34494469).

677506667 is a wasteful number, since it uses less digits than its factorization.

677506667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425917.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The square root of 677506667 is about 26028.9582388539. The cubic root of 677506667 is about 878.2898376860.

The spelling of 677506667 in words is "six hundred seventy-seven million, five hundred six thousand, six hundred sixty-seven".