99791327 has 2 divisors, whose sum is σ = 99791328. Its totient is φ = 99791326.

The previous prime is 99791323. The next prime is 99791359. The reversal of 99791327 is 72319799.

It is a weak prime.

It is an emirp because it is prime and its reverse (72319799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99791327 - 2² = 99791323 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99791323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49895663 + 49895664.

It is an arithmetic number, because the mean of its divisors is an integer number (49895664).

Almost surely, 2^99791327 is an apocalyptic number.

99791327 is a deficient number, since it is larger than the sum of its proper divisors (1).

99791327 is an equidigital number, since it uses as much as digits as its factorization.

99791327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 214326, while the sum is 47.

The square root of 99791327 is about 9989.5609012609. The cubic root of 99791327 is about 463.8358004391.

The spelling of 99791327 in words is "ninety-nine million, seven hundred ninety-one thousand, three hundred twenty-seven".