99746947 has 2 divisors, whose sum is σ = 99746948. Its totient is φ = 99746946.

The previous prime is 99746923. The next prime is 99746953. The reversal of 99746947 is 74964799.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99746947 - 2⁷ = 99746819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99746917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49873473 + 49873474.

It is an arithmetic number, because the mean of its divisors is an integer number (49873474).

Almost surely, 2^99746947 is an apocalyptic number.

99746947 is a deficient number, since it is larger than the sum of its proper divisors (1).

99746947 is an equidigital number, since it uses as much as digits as its factorization.

99746947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 55.

The square root of 99746947 is about 9987.3393353786. The cubic root of 99746947 is about 463.7670299832.

The spelling of 99746947 in words is "ninety-nine million, seven hundred forty-six thousand, nine hundred forty-seven".