677622623 has 2 divisors, whose sum is σ = 677622624. Its totient is φ = 677622622.

The previous prime is 677622581. The next prime is 677622653. The reversal of 677622623 is 326226776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677622623 - 2⁶ = 677622559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677622653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338811311 + 338811312.

It is an arithmetic number, because the mean of its divisors is an integer number (338811312).

Almost surely, 2^677622623 is an apocalyptic number.

677622623 is a deficient number, since it is larger than the sum of its proper divisors (1).

677622623 is an equidigital number, since it uses as much as digits as its factorization.

677622623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 41.

The square root of 677622623 is about 26031.1855857546. The cubic root of 677622623 is about 878.3399415800.

The spelling of 677622623 in words is "six hundred seventy-seven million, six hundred twenty-two thousand, six hundred twenty-three".