47403787408 has 20 divisors (see below), whose sum is σ = 91854863100. Its totient is φ = 23699306624.

The previous prime is 47403787397. The next prime is 47403787421. The reversal of 47403787408 is 80478730474.

It can be written as a sum of positive squares in 2 ways, for example, as 34465179904 + 12938607504 = 185648^2 + 113748^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5983 + ... + 307966.

It is an arithmetic number, because the mean of its divisors is an integer number (4592743155).

Almost surely, 2^47403787408 is an apocalyptic number.

It is an amenable number.

47403787408 is a deficient number, since it is larger than the sum of its proper divisors (44451075692).

47403787408 is a wasteful number, since it uses less digits than its factorization.

47403787408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323394 (or 323388 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 52.

The spelling of 47403787408 in words is "forty-seven billion, four hundred three million, seven hundred eighty-seven thousand, four hundred eight".