47897081 has 8 divisors (see below), whose sum is σ = 50484000. Its totient is φ = 45316800.

The previous prime is 47897053. The next prime is 47897099. The reversal of 47897081 is 18079874.

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 47897081 - 2¹⁴ = 47880697 is a prime.

It is a super-2 number, since 2×47897081² = 4588260736641122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47897011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21770 + ... + 23868.

It is an arithmetic number, because the mean of its divisors is an integer number (6310500).

Almost surely, 2^47897081 is an apocalyptic number.

It is an amenable number.

47897081 is a deficient number, since it is larger than the sum of its proper divisors (2586919).

47897081 is a wasteful number, since it uses less digits than its factorization.

47897081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 47897081 is about 6920.7717055253. The cubic root of 47897081 is about 363.1641879316.

The spelling of 47897081 in words is "forty-seven million, eight hundred ninety-seven thousand, eighty-one".