47747033280 has 448 divisors, whose sum is σ = 175915929600. Its totient is φ = 12177285120.

The previous prime is 47747033273. The next prime is 47747033281. The reversal of 47747033280 is 8233074774.

47747033280 is a `hidden beast` number, since 4 + 77 + 470 + 3 + 32 + 80 = 666.

47747033280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (47747033281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23836759 + ... + 23838761.

Almost surely, 2^47747033280 is an apocalyptic number.

47747033280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47747033280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87957964800).

47747033280 is an abundant number, since it is smaller than the sum of its proper divisors (128168896320).

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

47747033280 is a wasteful number, since it uses less digits than its factorization.

47747033280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 47747033280 in words is "forty-seven billion, seven hundred forty-seven million, thirty-three thousand, two hundred eighty".