677381659 has 4 divisors (see below), whose sum is σ = 677609640. Its totient is φ = 677153680.

The previous prime is 677381633. The next prime is 677381669. The reversal of 677381659 is 956183776.

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

It is a cyclic number.

It is not a de Polignac number, because 677381659 - 2⁹ = 677381147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677381669) 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, 109474 + ... + 115495.

It is an arithmetic number, because the mean of its divisors is an integer number (169402410).

Almost surely, 2^677381659 is an apocalyptic number.

677381659 is a deficient number, since it is larger than the sum of its proper divisors (227981).

677381659 is a wasteful number, since it uses less digits than its factorization.

677381659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227980.

The product of its digits is 1905120, while the sum is 52.

The square root of 677381659 is about 26026.5568026199. The cubic root of 677381659 is about 878.2358160727.

The spelling of 677381659 in words is "six hundred seventy-seven million, three hundred eighty-one thousand, six hundred fifty-nine".