99189059 has 4 divisors (see below), whose sum is σ = 100586160. Its totient is φ = 97791960.

The previous prime is 99189049. The next prime is 99189061. The reversal of 99189059 is 95098199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95098199 = 7 ⋅13585457.

It is a cyclic number.

It is not a de Polignac number, because 99189059 - 2²⁴ = 82411843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99188998 and 99189016.

It is not an unprimeable number, because it can be changed into a prime (99189049) 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, 698444 + ... + 698585.

It is an arithmetic number, because the mean of its divisors is an integer number (25146540).

Almost surely, 2^99189059 is an apocalyptic number.

99189059 is a deficient number, since it is larger than the sum of its proper divisors (1397101).

99189059 is a wasteful number, since it uses less digits than its factorization.

99189059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397100.

The product of its (nonzero) digits is 262440, while the sum is 50.

The square root of 99189059 is about 9959.3704118282. The cubic root of 99189059 is about 462.9007915168.

The spelling of 99189059 in words is "ninety-nine million, one hundred eighty-nine thousand, fifty-nine".