47878089930 has 320 divisors, whose sum is σ = 148513115520. Its totient is φ = 10945497600.

The previous prime is 47878089923. The next prime is 47878089967. The reversal of 47878089930 is 3998087874.

47878089930 is a `hidden beast` number, since 478 + 7 + 80 + 89 + 9 + 3 + 0 = 666.

It is a super-2 number, since 2×47878089930² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 46892820 + ... + 46893840.

It is an arithmetic number, because the mean of its divisors is an integer number (464103486).

Almost surely, 2^47878089930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47878089930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74256557760).

47878089930 is an abundant number, since it is smaller than the sum of its proper divisors (100635025590).

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

47878089930 is a wasteful number, since it uses less digits than its factorization.

47878089930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 47878089930 in words is "forty-seven billion, eight hundred seventy-eight million, eighty-nine thousand, nine hundred thirty".