47821041780 has 96 divisors (see below), whose sum is σ = 135576854784. Its totient is φ = 12593301504.

The previous prime is 47821041773. The next prime is 47821041817. The reversal of 47821041780 is 8714012874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1865329 + ... + 1890791.

It is an arithmetic number, because the mean of its divisors is an integer number (1412258904).

Almost surely, 2^47821041780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47821041780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67788427392).

47821041780 is an abundant number, since it is smaller than the sum of its proper divisors (87755813004).

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

47821041780 is a wasteful number, since it uses less digits than its factorization.

47821041780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25865 (or 25863 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 42.

The spelling of 47821041780 in words is "forty-seven billion, eight hundred twenty-one million, forty-one thousand, seven hundred eighty".