99999064 has 32 divisors (see below), whose sum is σ = 207023040. Its totient is φ = 44903200.

The previous prime is 99999043. The next prime is 99999073. The reversal of 99999064 is 46099999.

It is a junction number, because it is equal to n+sod(n) for n = 99998996 and 99999014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459 + ... + 14149.

It is an arithmetic number, because the mean of its divisors is an integer number (6469470).

Almost surely, 2^99999064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99999064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103511520).

99999064 is an abundant number, since it is smaller than the sum of its proper divisors (107023976).

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

99999064 is a wasteful number, since it uses less digits than its factorization.

99999064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13791 (or 13787 counting only the distinct ones).

The product of its (nonzero) digits is 1417176, while the sum is 55.

The square root of 99999064 is about 9999.9531998905. The cubic root of 99999064 is about 464.1574351810.

The spelling of 99999064 in words is "ninety-nine million, nine hundred ninety-nine thousand, sixty-four".