47163880 has 32 divisors (see below), whose sum is σ = 107619840. Its totient is φ = 18598720.

The previous prime is 47163847. The next prime is 47163881. The reversal of 47163880 is 8836174.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47163881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5464 + ... + 11143.

It is an arithmetic number, because the mean of its divisors is an integer number (3363120).

Almost surely, 2^47163880 is an apocalyptic number.

47163880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47163880 is an abundant number, since it is smaller than the sum of its proper divisors (60455960).

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

47163880 is a wasteful number, since it uses less digits than its factorization.

47163880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16689 (or 16685 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 47163880 is about 6867.5963771905. The cubic root of 47163880 is about 361.3015643001.

The spelling of 47163880 in words is "forty-seven million, one hundred sixty-three thousand, eight hundred eighty".