99727141 has 2 divisors, whose sum is σ = 99727142. Its totient is φ = 99727140.

The previous prime is 99727087. The next prime is 99727157. The reversal of 99727141 is 14172799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65270241 + 34456900 = 8079^2 + 5870^2 .

It is a cyclic number.

It is not a de Polignac number, because 99727141 - 2⁷ = 99727013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99727094 and 99727103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99727841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49863570 + 49863571.

It is an arithmetic number, because the mean of its divisors is an integer number (49863571).

Almost surely, 2^99727141 is an apocalyptic number.

It is an amenable number.

99727141 is a deficient number, since it is larger than the sum of its proper divisors (1).

99727141 is an equidigital number, since it uses as much as digits as its factorization.

99727141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 40.

The square root of 99727141 is about 9986.3477307773. The cubic root of 99727141 is about 463.7363323759.

The spelling of 99727141 in words is "ninety-nine million, seven hundred twenty-seven thousand, one hundred forty-one".