199752077699 has 2 divisors, whose sum is σ = 199752077700. Its totient is φ = 199752077698.

The previous prime is 199752077687. The next prime is 199752077719. The reversal of 199752077699 is 996770257991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199752077699 - 2⁴ = 199752077683 is a prime.

It is not a weakly prime, because it can be changed into another prime (199752077669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99876038849 + 99876038850.

It is an arithmetic number, because the mean of its divisors is an integer number (99876038850).

Almost surely, 2^199752077699 is an apocalyptic number.

199752077699 is a deficient number, since it is larger than the sum of its proper divisors (1).

199752077699 is an equidigital number, since it uses as much as digits as its factorization.

199752077699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135025380, while the sum is 71.

The spelling of 199752077699 in words is "one hundred ninety-nine billion, seven hundred fifty-two million, seventy-seven thousand, six hundred ninety-nine".