96799991 has 2 divisors, whose sum is σ = 96799992. Its totient is φ = 96799990.

The previous prime is 96799973. The next prime is 96800021. The reversal of 96799991 is 19999769.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 96799991 - 2¹⁰ = 96798967 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 96799991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96799951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48399995 + 48399996.

It is an arithmetic number, because the mean of its divisors is an integer number (48399996).

Almost surely, 2^96799991 is an apocalyptic number.

96799991 is a deficient number, since it is larger than the sum of its proper divisors (1).

96799991 is an equidigital number, since it uses as much as digits as its factorization.

96799991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2480058, while the sum is 59.

The square root of 96799991 is about 9838.6986436215. The cubic root of 96799991 is about 459.1540707031.

The spelling of 96799991 in words is "ninety-six million, seven hundred ninety-nine thousand, nine hundred ninety-one".