8720244406 has 8 divisors (see below), whose sum is σ = 13163681520. Its totient is φ = 4332350568.

The previous prime is 8720244391. The next prime is 8720244409. The reversal of 8720244406 is 6044420278.

8720244406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8720244409) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13885426 + ... + 13886053.

It is an arithmetic number, because the mean of its divisors is an integer number (1645460190).

Almost surely, 2^8720244406 is an apocalyptic number.

8720244406 is a deficient number, since it is larger than the sum of its proper divisors (4443437114).

8720244406 is a wasteful number, since it uses less digits than its factorization.

8720244406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27771638.

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 8720244406 is about 93382.2488806090. The cubic root of 8720244406 is about 2058.3041629782.

The spelling of 8720244406 in words is "eight billion, seven hundred twenty million, two hundred forty-four thousand, four hundred six".