47964339738 has 96 divisors (see below), whose sum is σ = 119867185152. Its totient is φ = 13577709600.

The previous prime is 47964339719. The next prime is 47964339763. The reversal of 47964339738 is 83793346974.

47964339738 is a `hidden beast` number, since 47 + 96 + 433 + 9 + 73 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12262003 + ... + 12265913.

It is an arithmetic number, because the mean of its divisors is an integer number (1248616512).

Almost surely, 2^47964339738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47964339738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59933592576).

47964339738 is an abundant number, since it is smaller than the sum of its proper divisors (71902845414).

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

47964339738 is a wasteful number, since it uses less digits than its factorization.

47964339738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800 (or 4797 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 63.

The spelling of 47964339738 in words is "forty-seven billion, nine hundred sixty-four million, three hundred thirty-nine thousand, seven hundred thirty-eight".