47248906478656 has 21 divisors (see below), whose sum is σ = 93759657915031. Its totient is φ = 23624425744192.

The previous prime is 47248906478651. The next prime is 47248906478681. The reversal of 47248906478656 is 65687460984274.

The square root of 47248906478656 is 6873784.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47248906478651) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 54560661 + ... + 55419883.

Almost surely, 2^{47248906478656} is an apocalyptic number.

47248906478656 is the 6873784-th square number.

It is an amenable number.

47248906478656 is a deficient number, since it is larger than the sum of its proper divisors (46510751436375).

47248906478656 is an frugal number, since it uses more digits than its factorization.

47248906478656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718458 (or 859225 counting only the distinct ones).

The product of its (nonzero) digits is 3901685760, while the sum is 76.

The spelling of 47248906478656 in words is "forty-seven trillion, two hundred forty-eight billion, nine hundred six million, four hundred seventy-eight thousand, six hundred fifty-six".