47245215605765 has 8 divisors (see below), whose sum is σ = 56694401888280. Its totient is φ = 37796077043712.

The previous prime is 47245215605633. The next prime is 47245215605813. The reversal of 47245215605765 is 56750651254274.

It can be written as a sum of positive squares in 4 ways, for example, as 11644589781889 + 35600625823876 = 3412417^2 + 5966626^2 .

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 47245215605765 - 2⁸ = 47245215605509 is a prime.

It is a super-2 number, since 2×47245215605765² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 9714620 + ... + 13742789.

It is an arithmetic number, because the mean of its divisors is an integer number (7086800236035).

Almost surely, 2^{47245215605765} is an apocalyptic number.

It is an amenable number.

47245215605765 is a deficient number, since it is larger than the sum of its proper divisors (9449186282515).

47245215605765 is a wasteful number, since it uses less digits than its factorization.

47245215605765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23860231.

The product of its (nonzero) digits is 70560000, while the sum is 59.

The spelling of 47245215605765 in words is "forty-seven trillion, two hundred forty-five billion, two hundred fifteen million, six hundred five thousand, seven hundred sixty-five".