47922364865 has 8 divisors (see below), whose sum is σ = 57508071720. Its totient is φ = 38337069312.

The previous prime is 47922364811. The next prime is 47922364873. The reversal of 47922364865 is 56846322974.

It can be written as a sum of positive squares in 4 ways, for example, as 5693758849 + 42228606016 = 75457^2 + 205496^2 .

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 47922364865 - 2¹⁸ = 47922102721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47922364865.

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, 289817 + ... + 424073.

It is an arithmetic number, because the mean of its divisors is an integer number (7188508965).

Almost surely, 2^47922364865 is an apocalyptic number.

It is an amenable number.

47922364865 is a deficient number, since it is larger than the sum of its proper divisors (9585706855).

47922364865 is a wasteful number, since it uses less digits than its factorization.

47922364865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205651.

The product of its digits is 17418240, while the sum is 56.

The spelling of 47922364865 in words is "forty-seven billion, nine hundred twenty-two million, three hundred sixty-four thousand, eight hundred sixty-five".