99086893 has 4 divisors (see below), whose sum is σ = 99107008. Its totient is φ = 99066780.

The previous prime is 99086887. The next prime is 99086941. The reversal of 99086893 is 39868099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39868099 = 19 ⋅2098321.

It is a cyclic number.

It is not a de Polignac number, because 99086893 - 2²¹ = 96989741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99086893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99086803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (24776752).

Almost surely, 2^99086893 is an apocalyptic number.

It is an amenable number.

99086893 is a deficient number, since it is larger than the sum of its proper divisors (20115).

99086893 is a wasteful number, since it uses less digits than its factorization.

99086893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20114.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 99086893 is about 9954.2399508953. The cubic root of 99086893 is about 462.7418056723.

The spelling of 99086893 in words is "ninety-nine million, eighty-six thousand, eight hundred ninety-three".