47163827880 has 320 divisors, whose sum is σ = 171420535440. Its totient is φ = 11561730048.

The previous prime is 47163827873. The next prime is 47163827891. The reversal of 47163827880 is 8872836174.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 41804709444 + 5359118436 = 204462^2 + 73206^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10822662 + ... + 10827018.

Almost surely, 2^47163827880 is an apocalyptic number.

47163827880 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 47163827880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85710267720).

47163827880 is an abundant number, since it is smaller than the sum of its proper divisors (124256707560).

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

47163827880 is a wasteful number, since it uses less digits than its factorization.

47163827880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650 (or 4637 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 47163827880 in words is "forty-seven billion, one hundred sixty-three million, eight hundred twenty-seven thousand, eight hundred eighty".