99930847 has 2 divisors, whose sum is σ = 99930848. Its totient is φ = 99930846.

The previous prime is 99930841. The next prime is 99930851. The reversal of 99930847 is 74803999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99930847 - 2¹⁵ = 99898079 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99930847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99930841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49965423 + 49965424.

It is an arithmetic number, because the mean of its divisors is an integer number (49965424).

Almost surely, 2^99930847 is an apocalyptic number.

99930847 is a deficient number, since it is larger than the sum of its proper divisors (1).

99930847 is an equidigital number, since it uses as much as digits as its factorization.

99930847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 99930847 is about 9996.5417520260. The cubic root of 99930847 is about 464.0518654246.

The spelling of 99930847 in words is "ninety-nine million, nine hundred thirty thousand, eight hundred forty-seven".