99786468799 has 2 divisors, whose sum is σ = 99786468800. Its totient is φ = 99786468798.

The previous prime is 99786468791. The next prime is 99786468863.

It is a happy number.

99786468799 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 99786468799 - 2³ = 99786468791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99786468791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49893234399 + 49893234400.

It is an arithmetic number, because the mean of its divisors is an integer number (49893234400).

Almost surely, 2^99786468799 is an apocalyptic number.

99786468799 is a deficient number, since it is larger than the sum of its proper divisors (1).

99786468799 is an equidigital number, since it uses as much as digits as its factorization.

99786468799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2962842624, while the sum is 82.

The spelling of 99786468799 in words is "ninety-nine billion, seven hundred eighty-six million, four hundred sixty-eight thousand, seven hundred ninety-nine".