47180881 has 8 divisors (see below), whose sum is σ = 51876864. Its totient is φ = 42552720.

The previous prime is 47180879. The next prime is 47180893. The reversal of 47180881 is 18808174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47180881 - 2¹ = 47180879 is a prime.

It is a super-2 number, since 2×47180881² = 4452071063872322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47180881.

It is not an unprimeable number, because it can be changed into a prime (47180801) 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, 15490 + ... + 18283.

It is an arithmetic number, because the mean of its divisors is an integer number (6484608).

Almost surely, 2^47180881 is an apocalyptic number.

It is an amenable number.

47180881 is a deficient number, since it is larger than the sum of its proper divisors (4695983).

47180881 is a wasteful number, since it uses less digits than its factorization.

47180881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33911.

The product of its (nonzero) digits is 14336, while the sum is 37.

The square root of 47180881 is about 6868.8340349727. The cubic root of 47180881 is about 361.3449714582.

The spelling of 47180881 in words is "forty-seven million, one hundred eighty thousand, eight hundred eighty-one".