99811741 has 2 divisors, whose sum is σ = 99811742. Its totient is φ = 99811740.

The previous prime is 99811727. The next prime is 99811757. The reversal of 99811741 is 14711899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85636516 + 14175225 = 9254^2 + 3765^2 .

It is a cyclic number.

It is not a de Polignac number, because 99811741 - 2²⁵ = 66257309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99811694 and 99811703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99811721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49905870 + 49905871.

It is an arithmetic number, because the mean of its divisors is an integer number (49905871).

Almost surely, 2^99811741 is an apocalyptic number.

It is an amenable number.

99811741 is a deficient number, since it is larger than the sum of its proper divisors (1).

99811741 is an equidigital number, since it uses as much as digits as its factorization.

99811741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 40.

The square root of 99811741 is about 9990.5826156436. The cubic root of 99811741 is about 463.8674267629.

The spelling of 99811741 in words is "ninety-nine million, eight hundred eleven thousand, seven hundred forty-one".