99564768 has 48 divisors (see below), whose sum is σ = 290399760. Its totient is φ = 33187968.

The previous prime is 99564757. The next prime is 99564797. The reversal of 99564768 is 86746599.

99564768 is a `hidden beast` number, since 9 + 9 + 564 + 76 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56755 + ... + 58482.

It is an arithmetic number, because the mean of its divisors is an integer number (6049995).

Almost surely, 2^99564768 is an apocalyptic number.

It is an amenable number.

99564768 is an abundant number, since it is smaller than the sum of its proper divisors (190834992).

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

99564768 is a wasteful number, since it uses less digits than its factorization.

99564768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115256 (or 115242 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 99564768 is about 9978.2146699698. The cubic root of 99564768 is about 463.4845147265.

The spelling of 99564768 in words is "ninety-nine million, five hundred sixty-four thousand, seven hundred sixty-eight".