99748511 has 2 divisors, whose sum is σ = 99748512. Its totient is φ = 99748510.

The previous prime is 99748489. The next prime is 99748541. The reversal of 99748511 is 11584799.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99748511 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99748541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49874255 + 49874256.

It is an arithmetic number, because the mean of its divisors is an integer number (49874256).

Almost surely, 2^99748511 is an apocalyptic number.

99748511 is a deficient number, since it is larger than the sum of its proper divisors (1).

99748511 is an equidigital number, since it uses as much as digits as its factorization.

99748511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 44.

The square root of 99748511 is about 9987.4176342035. The cubic root of 99748511 is about 463.7694538764.

The spelling of 99748511 in words is "ninety-nine million, seven hundred forty-eight thousand, five hundred eleven".