99707849 has 2 divisors, whose sum is σ = 99707850. Its totient is φ = 99707848.

The previous prime is 99707837. The next prime is 99707879. The reversal of 99707849 is 94870799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85229824 + 14478025 = 9232^2 + 3805^2 .

It is a cyclic number.

It is not a de Polignac number, because 99707849 - 2¹² = 99703753 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99707849.

It is not a weakly prime, because it can be changed into another prime (99707819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49853924 + 49853925.

It is an arithmetic number, because the mean of its divisors is an integer number (49853925).

Almost surely, 2^99707849 is an apocalyptic number.

It is an amenable number.

99707849 is a deficient number, since it is larger than the sum of its proper divisors (1).

99707849 is an equidigital number, since it uses as much as digits as its factorization.

99707849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 99707849 is about 9985.3817653608. The cubic root of 99707849 is about 463.7064275169.

The spelling of 99707849 in words is "ninety-nine million, seven hundred seven thousand, eight hundred forty-nine".