662055799 has 2 divisors, whose sum is σ = 662055800. Its totient is φ = 662055798.

The previous prime is 662055767. The next prime is 662055811. The reversal of 662055799 is 997550266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 662055799 - 2⁵ = 662055767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662055899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331027899 + 331027900.

It is an arithmetic number, because the mean of its divisors is an integer number (331027900).

Almost surely, 2^662055799 is an apocalyptic number.

662055799 is a deficient number, since it is larger than the sum of its proper divisors (1).

662055799 is an equidigital number, since it uses as much as digits as its factorization.

662055799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 662055799 is about 25730.4449825494. Note that the first 3 decimals coincide. The cubic root of 662055799 is about 871.5618217513.

The spelling of 662055799 in words is "six hundred sixty-two million, fifty-five thousand, seven hundred ninety-nine".