623625799 has 2 divisors, whose sum is σ = 623625800. Its totient is φ = 623625798.

The previous prime is 623625727. The next prime is 623625803. The reversal of 623625799 is 997526326.

623625799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623625799 - 2¹¹ = 623623751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623623799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311812899 + 311812900.

It is an arithmetic number, because the mean of its divisors is an integer number (311812900).

Almost surely, 2^623625799 is an apocalyptic number.

623625799 is a deficient number, since it is larger than the sum of its proper divisors (1).

623625799 is an equidigital number, since it uses as much as digits as its factorization.

623625799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 49.

The square root of 623625799 is about 24972.5008559415. The cubic root of 623625799 is about 854.3608866756.

The spelling of 623625799 in words is "six hundred twenty-three million, six hundred twenty-five thousand, seven hundred ninety-nine".