99976267999 has 2 divisors, whose sum is σ = 99976268000. Its totient is φ = 99976267998.

The previous prime is 99976267991. The next prime is 99976268009.

99976267999 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 99976267999 - 2³ = 99976267991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99976267991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49988133999 + 49988134000.

It is an arithmetic number, because the mean of its divisors is an integer number (49988134000).

Almost surely, 2^99976267999 is an apocalyptic number.

99976267999 is a deficient number, since it is larger than the sum of its proper divisors (1).

99976267999 is an equidigital number, since it uses as much as digits as its factorization.

99976267999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1874923848, while the sum is 82.

The spelling of 99976267999 in words is "ninety-nine billion, nine hundred seventy-six million, two hundred sixty-seven thousand, nine hundred ninety-nine".