47077320066 has 128 divisors (see below), whose sum is σ = 113467392000. Its totient is φ = 13008864960.

The previous prime is 47077320049. The next prime is 47077320077. The reversal of 47077320066 is 66002377074.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7741215 + ... + 7747293.

It is an arithmetic number, because the mean of its divisors is an integer number (886464000).

Almost surely, 2^47077320066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47077320066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56733696000).

47077320066 is an abundant number, since it is smaller than the sum of its proper divisors (66390071934).

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

47077320066 is a wasteful number, since it uses less digits than its factorization.

47077320066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229 (or 6215 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 47077320066 in words is "forty-seven billion, seventy-seven million, three hundred twenty thousand, sixty-six".