47187279953880 has 384 divisors, whose sum is σ = 162421171315200. Its totient is φ = 10938279813120.

The previous prime is 47187279953851. The next prime is 47187279953959. The reversal of 47187279953880 is 8835997278174.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47187279953796 and 47187279953805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1058296947 + ... + 1058341533.

It is an arithmetic number, because the mean of its divisors is an integer number (422971800300).

Almost surely, 2^{47187279953880} is an apocalyptic number.

47187279953880 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 47187279953880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81210585657600).

47187279953880 is an abundant number, since it is smaller than the sum of its proper divisors (115233891361320).

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

47187279953880 is a wasteful number, since it uses less digits than its factorization.

47187279953880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47815 (or 47800 counting only the distinct ones).

The product of its (nonzero) digits is 1706987520, while the sum is 78.

The spelling of 47187279953880 in words is "forty-seven trillion, one hundred eighty-seven billion, two hundred seventy-nine million, nine hundred fifty-three thousand, eight hundred eighty".