99517608 has 24 divisors (see below), whose sum is σ = 269527050. Its totient is φ = 33172512.

The previous prime is 99517603. The next prime is 99517633. The reversal of 99517608 is 80671599.

It can be written as a sum of positive squares in only one way, i.e., 63011844 + 36505764 = 7938^2 + 6042^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (99517603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691023 + ... + 691166.

Almost surely, 2^99517608 is an apocalyptic number.

It is an amenable number.

99517608 is an abundant number, since it is smaller than the sum of its proper divisors (170009442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99517608 is a wasteful number, since it uses less digits than its factorization.

99517608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382201 (or 1382194 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 99517608 is about 9975.8512418740. The cubic root of 99517608 is about 463.4113249086.

The spelling of 99517608 in words is "ninety-nine million, five hundred seventeen thousand, six hundred eight".