47820315883780 has 144 divisors (see below), whose sum is σ = 115224282093312. Its totient is φ = 16626924793600.

The previous prime is 47820315883771. The next prime is 47820315883793. The reversal of 47820315883780 is 8738851302874.

It is a super-2 number, since 2×47820315883780² (a number of 28 digits) contains 22 as substring.

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, 149732865 + ... + 150051895.

It is an arithmetic number, because the mean of its divisors is an integer number (800168625648).

Almost surely, 2^{47820315883780} 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 47820315883780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57612141046656).

47820315883780 is an abundant number, since it is smaller than the sum of its proper divisors (67403966209532).

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

47820315883780 is a wasteful number, since it uses less digits than its factorization.

47820315883780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321778 (or 321765 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 47820315883780 in words is "forty-seven trillion, eight hundred twenty billion, three hundred fifteen million, eight hundred eighty-three thousand, seven hundred eighty".