99260857 has 4 divisors (see below), whose sum is σ = 99478516. Its totient is φ = 99043200.

The previous prime is 99260849. The next prime is 99260867. The reversal of 99260857 is 75806299.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32936121 + 66324736 = 5739^2 + 8144^2 .

It is a cyclic number.

It is not a de Polignac number, because 99260857 - 2³ = 99260849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99260867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108144 + ... + 109057.

It is an arithmetic number, because the mean of its divisors is an integer number (24869629).

Almost surely, 2^99260857 is an apocalyptic number.

It is an amenable number.

99260857 is a deficient number, since it is larger than the sum of its proper divisors (217659).

99260857 is a wasteful number, since it uses less digits than its factorization.

99260857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217658.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 99260857 is about 9962.9743048951. The cubic root of 99260857 is about 463.0124548241.

The spelling of 99260857 in words is "ninety-nine million, two hundred sixty thousand, eight hundred fifty-seven".