47722656439 has 8 divisors (see below), whose sum is σ = 48022238880. Its totient is φ = 47423653536.

The previous prime is 47722656431. The next prime is 47722656467. The reversal of 47722656439 is 93465622774.

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

It is a cyclic number.

It is not a de Polignac number, because 47722656439 - 2³ = 47722656431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47722656439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47722656431) 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 7 ways as a sum of consecutive naturals, for example, 20917 + ... + 309649.

It is an arithmetic number, because the mean of its divisors is an integer number (6002779860).

Almost surely, 2^47722656439 is an apocalyptic number.

47722656439 is a deficient number, since it is larger than the sum of its proper divisors (299582441).

47722656439 is a wasteful number, since it uses less digits than its factorization.

47722656439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289769.

The product of its digits is 15240960, while the sum is 55.

The spelling of 47722656439 in words is "forty-seven billion, seven hundred twenty-two million, six hundred fifty-six thousand, four hundred thirty-nine".