99247667 has 4 divisors (see below), whose sum is σ = 99281736. Its totient is φ = 99213600.

The previous prime is 99247651. The next prime is 99247669. The reversal of 99247667 is 76674299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76674299 = 13 ⋅5898023.

It is a cyclic number.

It is not a de Polignac number, because 99247667 - 2⁴ = 99247651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99247669) 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, 12209 + ... + 18642.

It is an arithmetic number, because the mean of its divisors is an integer number (24820434).

Almost surely, 2^99247667 is an apocalyptic number.

99247667 is a deficient number, since it is larger than the sum of its proper divisors (34069).

99247667 is a wasteful number, since it uses less digits than its factorization.

99247667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34068.

The product of its digits is 1143072, while the sum is 50.

The square root of 99247667 is about 9962.3123319840. The cubic root of 99247667 is about 462.9919452127.

The spelling of 99247667 in words is "ninety-nine million, two hundred forty-seven thousand, six hundred sixty-seven".