99996947 has 2 divisors, whose sum is σ = 99996948. Its totient is φ = 99996946.

The previous prime is 99996931. The next prime is 99996971. The reversal of 99996947 is 74969999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99996947 - 2⁴ = 99996931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99996947.

It is not a weakly prime, because it can be changed into another prime (99996647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49998473 + 49998474.

It is an arithmetic number, because the mean of its divisors is an integer number (49998474).

Almost surely, 2^99996947 is an apocalyptic number.

99996947 is a deficient number, since it is larger than the sum of its proper divisors (1).

99996947 is an equidigital number, since it uses as much as digits as its factorization.

99996947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9920232, while the sum is 62.

The square root of 99996947 is about 9999.8473488349. The cubic root of 99996947 is about 464.1541597230.

The spelling of 99996947 in words is "ninety-nine million, nine hundred ninety-six thousand, nine hundred forty-seven".