99816853 has 2 divisors, whose sum is σ = 99816854. Its totient is φ = 99816852.

The previous prime is 99816839. The next prime is 99816881. The reversal of 99816853 is 35861899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92968164 + 6848689 = 9642^2 + 2617^2 .

It is a cyclic number.

It is not a de Polignac number, because 99816853 - 2²⁵ = 66262421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99816797 and 99816806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99816833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49908426 + 49908427.

It is an arithmetic number, because the mean of its divisors is an integer number (49908427).

Almost surely, 2^99816853 is an apocalyptic number.

It is an amenable number.

99816853 is a deficient number, since it is larger than the sum of its proper divisors (1).

99816853 is an equidigital number, since it uses as much as digits as its factorization.

99816853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 99816853 is about 9990.8384533031. The cubic root of 99816853 is about 463.8753458372.

The spelling of 99816853 in words is "ninety-nine million, eight hundred sixteen thousand, eight hundred fifty-three".