47272047966 has 384 divisors, whose sum is σ = 128431779840. Its totient is φ = 12373171200.

The previous prime is 47272047947. The next prime is 47272047971. The reversal of 47272047966 is 66974027274.

47272047966 is a `hidden beast` number, since 47 + 2 + 72 + 0 + 479 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 458951871 + ... + 458951973.

It is an arithmetic number, because the mean of its divisors is an integer number (334457760).

Almost surely, 2^47272047966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47272047966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64215889920).

47272047966 is an abundant number, since it is smaller than the sum of its proper divisors (81159731874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47272047966 is a wasteful number, since it uses less digits than its factorization.

47272047966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 47272047966 in words is "forty-seven billion, two hundred seventy-two million, forty-seven thousand, nine hundred sixty-six".