47109611880 has 256 divisors, whose sum is σ = 166491936000. Its totient is φ = 11807760384.

The previous prime is 47109611873. The next prime is 47109611909. The reversal of 47109611880 is 8811690174.

It is a happy number.

47109611880 is a `hidden beast` number, since 471 + 0 + 96 + 1 + 18 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20139751 + ... + 20142089.

It is an arithmetic number, because the mean of its divisors is an integer number (650359125).

Almost surely, 2^47109611880 is an apocalyptic number.

47109611880 is a gapful number since it is divisible by the number (40) 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 47109611880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83245968000).

47109611880 is an abundant number, since it is smaller than the sum of its proper divisors (119382324120).

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

47109611880 is a wasteful number, since it uses less digits than its factorization.

47109611880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473 (or 3463 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 47109611880 in words is "forty-seven billion, one hundred nine million, six hundred eleven thousand, eight hundred eighty".