99501768 has 24 divisors (see below), whose sum is σ = 269484150. Its totient is φ = 33167232.

The previous prime is 99501763. The next prime is 99501821. The reversal of 99501768 is 86710599.

It can be written as a sum of positive squares in only one way, i.e., 73307844 + 26193924 = 8562^2 + 5118^2 .

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 (99501763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690913 + ... + 691056.

Almost surely, 2^99501768 is an apocalyptic number.

It is an amenable number.

99501768 is an abundant number, since it is smaller than the sum of its proper divisors (169982382).

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

99501768 is a wasteful number, since it uses less digits than its factorization.

99501768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381981 (or 1381974 counting only the distinct ones).

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

The square root of 99501768 is about 9975.0572930685. The cubic root of 99501768 is about 463.3867368817.

The spelling of 99501768 in words is "ninety-nine million, five hundred one thousand, seven hundred sixty-eight".