47048789018 has 32 divisors (see below), whose sum is σ = 89478673920. Its totient is φ = 18020003760.

The previous prime is 47048788979. The next prime is 47048789057. The reversal of 47048789018 is 81098784074.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47048788979) and next prime (47048789057).

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 2579996 + ... + 2598167.

It is an arithmetic number, because the mean of its divisors is an integer number (2796208560).

Almost surely, 2^47048789018 is an apocalyptic number.

47048789018 is a deficient number, since it is larger than the sum of its proper divisors (42429884902).

47048789018 is a wasteful number, since it uses less digits than its factorization.

47048789018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178242.

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 47048789018 in words is "forty-seven billion, forty-eight million, seven hundred eighty-nine thousand, eighteen".