47861954790 has 128 divisors (see below), whose sum is σ = 124938616320. Its totient is φ = 11664387072.

The previous prime is 47861954753. The next prime is 47861954813. The reversal of 47861954790 is 9745916874.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 24014034 + ... + 24016026.

It is an arithmetic number, because the mean of its divisors is an integer number (976082940).

Almost surely, 2^47861954790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47861954790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62469308160).

47861954790 is an abundant number, since it is smaller than the sum of its proper divisors (77076661530).

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

47861954790 is a wasteful number, since it uses less digits than its factorization.

47861954790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 47861954790 in words is "forty-seven billion, eight hundred sixty-one million, nine hundred fifty-four thousand, seven hundred ninety".