99947027 has 4 divisors (see below), whose sum is σ = 102648336. Its totient is φ = 97245720.

The previous prime is 99947017. The next prime is 99947033. The reversal of 99947027 is 72074999.

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 99947027 - 2²⁰ = 98898451 is a prime.

It is a super-2 number, since 2×99947027² = 19978816412277458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99947017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350599 + ... + 1350672.

It is an arithmetic number, because the mean of its divisors is an integer number (25662084).

Almost surely, 2^99947027 is an apocalyptic number.

99947027 is a deficient number, since it is larger than the sum of its proper divisors (2701309).

99947027 is a wasteful number, since it uses less digits than its factorization.

99947027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701308.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 99947027 is about 9997.3509991397. The cubic root of 99947027 is about 464.0769092564.

The spelling of 99947027 in words is "ninety-nine million, nine hundred forty-seven thousand, twenty-seven".