720000099999 has 48 divisors (see below), whose sum is σ = 1054427092992. Its totient is φ = 473384222784.

The previous prime is 720000099977. The next prime is 720000100103. The reversal of 720000099999 is 999990000027.

It is not a de Polignac number, because 720000099999 - 2²⁴ = 719983322783 is a prime.

720000099999 is a modest number, since divided by 99999 gives 72 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720000091999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317599264 + ... + 317601530.

It is an arithmetic number, because the mean of its divisors is an integer number (21967231104).

Almost surely, 2^720000099999 is an apocalyptic number.

720000099999 is a deficient number, since it is larger than the sum of its proper divisors (334426992993).

720000099999 is a wasteful number, since it uses less digits than its factorization.

720000099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636 (or 3633 counting only the distinct ones).

The product of its (nonzero) digits is 826686, while the sum is 54.

The spelling of 720000099999 in words is "seven hundred twenty billion, ninety-nine thousand, nine hundred ninety-nine".