9997722277999 has 2 divisors, whose sum is σ = 9997722278000. Its totient is φ = 9997722277998.

The previous prime is 9997722277927. The next prime is 9997722278017.

It is a happy number.

9997722277999 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 9997722277999 - 2²⁹ = 9997185407087 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9997722277909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998861138999 + 4998861139000.

It is an arithmetic number, because the mean of its divisors is an integer number (4998861139000).

Almost surely, 2^{9997722277999} is an apocalyptic number.

9997722277999 is a deficient number, since it is larger than the sum of its proper divisors (1).

9997722277999 is an equidigital number, since it uses as much as digits as its factorization.

9997722277999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10207918728, while the sum is 88.

The spelling of 9997722277999 in words is "nine trillion, nine hundred ninety-seven billion, seven hundred twenty-two million, two hundred seventy-seven thousand, nine hundred ninety-nine".