676626065 has 4 divisors (see below), whose sum is σ = 811951284. Its totient is φ = 541300848.

The previous prime is 676626023. The next prime is 676626089. The reversal of 676626065 is 560626676.

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

It can be written as a sum of positive squares in 2 ways, for example, as 317409856 + 359216209 = 17816^2 + 18953^2 .

It is a cyclic number.

It is not a de Polignac number, because 676626065 - 2⁶ = 676626001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67662602 + ... + 67662611.

It is an arithmetic number, because the mean of its divisors is an integer number (202987821).

Almost surely, 2^676626065 is an apocalyptic number.

It is an amenable number.

676626065 is a deficient number, since it is larger than the sum of its proper divisors (135325219).

676626065 is a wasteful number, since it uses less digits than its factorization.

676626065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135325218.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 676626065 is about 26012.0369252391. The cubic root of 676626065 is about 877.9091481380.

The spelling of 676626065 in words is "six hundred seventy-six million, six hundred twenty-six thousand, sixty-five".