99343087 has 4 divisors (see below), whose sum is σ = 105186816. Its totient is φ = 93499360.

The previous prime is 99343073. The next prime is 99343091. The reversal of 99343087 is 78034399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78034399 = 89 ⋅876791.

It is a cyclic number.

It is not a de Polignac number, because 99343087 - 2¹⁵ = 99310319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99343037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921839 + ... + 2921872.

It is an arithmetic number, because the mean of its divisors is an integer number (26296704).

Almost surely, 2^99343087 is an apocalyptic number.

99343087 is a deficient number, since it is larger than the sum of its proper divisors (5843729).

99343087 is a wasteful number, since it uses less digits than its factorization.

99343087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843728.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 99343087 is about 9967.1002302575. The cubic root of 99343087 is about 463.1402762919.

The spelling of 99343087 in words is "ninety-nine million, three hundred forty-three thousand, eighty-seven".