676665519 has 4 divisors (see below), whose sum is σ = 902220696. Its totient is φ = 451110344.

The previous prime is 676665511. The next prime is 676665523. The reversal of 676665519 is 915566676.

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 676665519 - 2³ = 676665511 is a prime.

It is a super-2 number, since 2×676665519² = 915752449207078722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676665511) 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, 112777584 + ... + 112777589.

It is an arithmetic number, because the mean of its divisors is an integer number (225555174).

Almost surely, 2^676665519 is an apocalyptic number.

676665519 is a deficient number, since it is larger than the sum of its proper divisors (225555177).

676665519 is a wasteful number, since it uses less digits than its factorization.

676665519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225555176.

The product of its digits is 2041200, while the sum is 51.

The square root of 676665519 is about 26012.7952938549. The cubic root of 676665519 is about 877.9262114053.

The spelling of 676665519 in words is "six hundred seventy-six million, six hundred sixty-five thousand, five hundred nineteen".