99650859 has 24 divisors (see below), whose sum is σ = 168614208. Its totient is φ = 51765840.

The previous prime is 99650807. The next prime is 99650867. The reversal of 99650859 is 95805699.

It is not a de Polignac number, because 99650859 - 2¹² = 99646763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99650899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29197 + ... + 32430.

It is an arithmetic number, because the mean of its divisors is an integer number (7025592).

Almost surely, 2^99650859 is an apocalyptic number.

99650859 is a deficient number, since it is larger than the sum of its proper divisors (68963349).

99650859 is a wasteful number, since it uses less digits than its factorization.

99650859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61655 (or 61648 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The square root of 99650859 is about 9982.5276859120. The cubic root of 99650859 is about 463.6180638088.

The spelling of 99650859 in words is "ninety-nine million, six hundred fifty thousand, eight hundred fifty-nine".