47993943888 has 120 divisors (see below), whose sum is σ = 147498077376. Its totient is φ = 14447232000.

The previous prime is 47993943869. The next prime is 47993944013. The reversal of 47993943888 is 88834939974.

47993943888 is a `hidden beast` number, since 4 + 79 + 93 + 94 + 388 + 8 = 666.

47993943888 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 (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138856 + ... + 339512.

Almost surely, 2^47993943888 is an apocalyptic number.

47993943888 is a gapful number since it is divisible by the number (48) 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 47993943888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73749038688).

47993943888 is an abundant number, since it is smaller than the sum of its proper divisors (99504133488).

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

47993943888 is a wasteful number, since it uses less digits than its factorization.

47993943888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200833 (or 200824 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 47993943888 in words is "forty-seven billion, nine hundred ninety-three million, nine hundred forty-three thousand, eight hundred eighty-eight".