99167947 has 2 divisors, whose sum is σ = 99167948. Its totient is φ = 99167946.

The previous prime is 99167941. The next prime is 99168067. The reversal of 99167947 is 74976199.

It is a weak prime.

It is an emirp because it is prime and its reverse (74976199) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99167947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99167894 and 99167903.

It is not a weakly prime, because it can be changed into another prime (99167941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49583973 + 49583974.

It is an arithmetic number, because the mean of its divisors is an integer number (49583974).

Almost surely, 2^99167947 is an apocalyptic number.

99167947 is a deficient number, since it is larger than the sum of its proper divisors (1).

99167947 is an equidigital number, since it uses as much as digits as its factorization.

99167947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 52.

The square root of 99167947 is about 9958.3104490672. The cubic root of 99167947 is about 462.8679469838.

The spelling of 99167947 in words is "ninety-nine million, one hundred sixty-seven thousand, nine hundred forty-seven".