676321507 has 2 divisors, whose sum is σ = 676321508. Its totient is φ = 676321506.

The previous prime is 676321487. The next prime is 676321519. The reversal of 676321507 is 705123676.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676321507 is a prime.

It is not a weakly prime, because it can be changed into another prime (676321577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338160753 + 338160754.

It is an arithmetic number, because the mean of its divisors is an integer number (338160754).

Almost surely, 2^676321507 is an apocalyptic number.

676321507 is a deficient number, since it is larger than the sum of its proper divisors (1).

676321507 is an equidigital number, since it uses as much as digits as its factorization.

676321507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 676321507 is about 26006.1820919565. The cubic root of 676321507 is about 877.7774090113. Note that the first 3 decimals are identical.

The spelling of 676321507 in words is "six hundred seventy-six million, three hundred twenty-one thousand, five hundred seven".