47780874160 has 40 divisors (see below), whose sum is σ = 113674041360. Its totient is φ = 18667875072.

The previous prime is 47780874157. The next prime is 47780874161. The reversal of 47780874160 is 6147808774.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 47780874098 and 47780874107.

It is not an unprimeable number, because it can be changed into a prime (47780874161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6941455 + ... + 6948334.

It is an arithmetic number, because the mean of its divisors is an integer number (2841851034).

Almost surely, 2^47780874160 is an apocalyptic number.

47780874160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47780874160 is an abundant number, since it is smaller than the sum of its proper divisors (65893167200).

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

47780874160 is a wasteful number, since it uses less digits than its factorization.

47780874160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889845 (or 13889839 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 47780874160 in words is "forty-seven billion, seven hundred eighty million, eight hundred seventy-four thousand, one hundred sixty".