99690027 has 16 divisors (see below), whose sum is σ = 139200768. Its totient is φ = 63340640.

The previous prime is 99690011. The next prime is 99690029. The reversal of 99690027 is 72009699.

It is a cyclic number.

It is not a de Polignac number, because 99690027 - 2⁴ = 99690011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99690029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17752 + ... + 22682.

It is an arithmetic number, because the mean of its divisors is an integer number (8700048).

Almost surely, 2^99690027 is an apocalyptic number.

99690027 is a deficient number, since it is larger than the sum of its proper divisors (39510741).

99690027 is a wasteful number, since it uses less digits than its factorization.

99690027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 99690027 is about 9984.4893209418. The cubic root of 99690027 is about 463.6787979021.

The spelling of 99690027 in words is "ninety-nine million, six hundred ninety thousand, twenty-seven".