47770283808 has 144 divisors (see below), whose sum is σ = 146734483896. Its totient is φ = 14654545920.

The previous prime is 47770283801. The next prime is 47770283831. The reversal of 47770283808 is 80838207774.

It is a happy number.

47770283808 is a `hidden beast` number, since 477 + 70 + 28 + 3 + 80 + 8 = 666.

47770283808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40792688784 + 6977595024 = 201972^2 + 83532^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (47770283801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1242798 + ... + 1280658.

Almost surely, 2^47770283808 is an apocalyptic number.

47770283808 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 47770283808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73367241948).

47770283808 is an abundant number, since it is smaller than the sum of its proper divisors (98964200088).

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

47770283808 is a wasteful number, since it uses less digits than its factorization.

47770283808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38227 (or 38216 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The spelling of 47770283808 in words is "forty-seven billion, seven hundred seventy million, two hundred eighty-three thousand, eight hundred eight".