99890359 has 2 divisors, whose sum is σ = 99890360. Its totient is φ = 99890358.

The previous prime is 99890341. The next prime is 99890381. The reversal of 99890359 is 95309899.

It is a weak prime.

It is an emirp because it is prime and its reverse (95309899) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99890359 is a prime.

It is a super-2 number, since 2×99890359² = 19956167642297762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99890389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49945179 + 49945180.

It is an arithmetic number, because the mean of its divisors is an integer number (49945180).

Almost surely, 2^99890359 is an apocalyptic number.

99890359 is a deficient number, since it is larger than the sum of its proper divisors (1).

99890359 is an equidigital number, since it uses as much as digits as its factorization.

99890359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 52.

The square root of 99890359 is about 9994.5164465321. The cubic root of 99890359 is about 463.9891851795.

The spelling of 99890359 in words is "ninety-nine million, eight hundred ninety thousand, three hundred fifty-nine".