99735689 has 2 divisors, whose sum is σ = 99735690. Its totient is φ = 99735688.

The previous prime is 99735679. The next prime is 99735707. The reversal of 99735689 is 98653799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88209664 + 11526025 = 9392^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 99735689 - 2⁴ = 99735673 is a prime.

It is not a weakly prime, because it can be changed into another prime (99735679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49867844 + 49867845.

It is an arithmetic number, because the mean of its divisors is an integer number (49867845).

Almost surely, 2^99735689 is an apocalyptic number.

It is an amenable number.

99735689 is a deficient number, since it is larger than the sum of its proper divisors (1).

99735689 is an equidigital number, since it uses as much as digits as its factorization.

99735689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 56.

The square root of 99735689 is about 9986.7757059023. The cubic root of 99735689 is about 463.7495815439.

The spelling of 99735689 in words is "ninety-nine million, seven hundred thirty-five thousand, six hundred eighty-nine".