47771213776 has 240 divisors, whose sum is σ = 114184691712. Its totient is φ = 19170777600.

The previous prime is 47771213729. The next prime is 47771213803. The reversal of 47771213776 is 67731217774.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94972341 + ... + 94972843.

Almost surely, 2^47771213776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47771213776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57092345856).

47771213776 is an abundant number, since it is smaller than the sum of its proper divisors (66413477936).

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

47771213776 is a wasteful number, since it uses less digits than its factorization.

47771213776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 663 counting only the distinct ones).

The product of its digits is 2420208, while the sum is 52.

The spelling of 47771213776 in words is "forty-seven billion, seven hundred seventy-one million, two hundred thirteen thousand, seven hundred seventy-six".