99786841579 has 2 divisors, whose sum is σ = 99786841580. Its totient is φ = 99786841578.

The previous prime is 99786841547. The next prime is 99786841657. The reversal of 99786841579 is 97514868799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99786841579 - 2⁵ = 99786841547 is a prime.

It is not a weakly prime, because it can be changed into another prime (99786841529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49893420789 + 49893420790.

It is an arithmetic number, because the mean of its divisors is an integer number (49893420790).

Almost surely, 2^99786841579 is an apocalyptic number.

99786841579 is a deficient number, since it is larger than the sum of its proper divisors (1).

99786841579 is an equidigital number, since it uses as much as digits as its factorization.

99786841579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274337280, while the sum is 73.

The spelling of 99786841579 in words is "ninety-nine billion, seven hundred eighty-six million, eight hundred forty-one thousand, five hundred seventy-nine".