47128013178 has 16 divisors (see below), whose sum is σ = 95171134656. Its totient is φ = 15556819680.

The previous prime is 47128013161. The next prime is 47128013203. The reversal of 47128013178 is 87131082174.

It is a super-2 number, since 2×47128013178² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38128843 + ... + 38130078.

It is an arithmetic number, because the mean of its divisors is an integer number (5948195916).

Almost surely, 2^47128013178 is an apocalyptic number.

47128013178 is an abundant number, since it is smaller than the sum of its proper divisors (48043121478).

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

47128013178 is a wasteful number, since it uses less digits than its factorization.

47128013178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76259029.

The product of its (nonzero) digits is 75264, while the sum is 42.

The spelling of 47128013178 in words is "forty-seven billion, one hundred twenty-eight million, thirteen thousand, one hundred seventy-eight".