99086291 has 2 divisors, whose sum is σ = 99086292. Its totient is φ = 99086290.

The previous prime is 99086287. The next prime is 99086329. The reversal of 99086291 is 19268099.

It is a weak prime.

It is an emirp because it is prime and its reverse (19268099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99086291 - 2² = 99086287 is a prime.

It is not a weakly prime, because it can be changed into another prime (99086191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49543145 + 49543146.

It is an arithmetic number, because the mean of its divisors is an integer number (49543146).

Almost surely, 2^99086291 is an apocalyptic number.

99086291 is a deficient number, since it is larger than the sum of its proper divisors (1).

99086291 is an equidigital number, since it uses as much as digits as its factorization.

99086291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 99086291 is about 9954.2097124784. The cubic root of 99086291 is about 462.7408685449.

The spelling of 99086291 in words is "ninety-nine million, eighty-six thousand, two hundred ninety-one".