99589427 has 4 divisors (see below), whose sum is σ = 113816496. Its totient is φ = 85362360.

The previous prime is 99589423. The next prime is 99589433. The reversal of 99589427 is 72498599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99589427 - 2² = 99589423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99589423) 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, 7113524 + ... + 7113537.

It is an arithmetic number, because the mean of its divisors is an integer number (28454124).

Almost surely, 2^99589427 is an apocalyptic number.

99589427 is a deficient number, since it is larger than the sum of its proper divisors (14227069).

99589427 is a wasteful number, since it uses less digits than its factorization.

99589427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14227068.

The product of its digits is 1632960, while the sum is 53.

The square root of 99589427 is about 9979.4502353587. The cubic root of 99589427 is about 463.5227749849.

The spelling of 99589427 in words is "ninety-nine million, five hundred eighty-nine thousand, four hundred twenty-seven".