676611659 has 4 divisors (see below), whose sum is σ = 679646016. Its totient is φ = 673577304.

The previous prime is 676611619. The next prime is 676611667. The reversal of 676611659 is 956116676.

It is a happy number.

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-676611659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676611619) 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, 1516844 + ... + 1517289.

It is an arithmetic number, because the mean of its divisors is an integer number (169911504).

Almost surely, 2^676611659 is an apocalyptic number.

676611659 is a deficient number, since it is larger than the sum of its proper divisors (3034357).

676611659 is a wasteful number, since it uses less digits than its factorization.

676611659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034356.

The product of its digits is 408240, while the sum is 47.

The square root of 676611659 is about 26011.7600135016. The cubic root of 676611659 is about 877.9029175922.

The spelling of 676611659 in words is "six hundred seventy-six million, six hundred eleven thousand, six hundred fifty-nine".