99948479 has 2 divisors, whose sum is σ = 99948480. Its totient is φ = 99948478.

The previous prime is 99948473. The next prime is 99948481. The reversal of 99948479 is 97484999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99948479 - 2⁴ = 99948463 is a prime.

Together with 99948481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99948473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49974239 + 49974240.

It is an arithmetic number, because the mean of its divisors is an integer number (49974240).

Almost surely, 2^99948479 is an apocalyptic number.

99948479 is a deficient number, since it is larger than the sum of its proper divisors (1).

99948479 is an equidigital number, since it uses as much as digits as its factorization.

99948479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 59.

The square root of 99948479 is about 9997.4236181128. The cubic root of 99948479 is about 464.0791565683.

The spelling of 99948479 in words is "ninety-nine million, nine hundred forty-eight thousand, four hundred seventy-nine".