47973881 has 8 divisors (see below), whose sum is σ = 51002784. Its totient is φ = 44968000.

The previous prime is 47973857. The next prime is 47973901. The reversal of 47973881 is 18837974.

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 47973881 - 2¹⁰ = 47972857 is a prime.

It is a super-2 number, since 2×47973881² = 4602986516404322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47973781) 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, 1355 + ... + 9888.

It is an arithmetic number, because the mean of its divisors is an integer number (6375348).

Almost surely, 2^47973881 is an apocalyptic number.

It is an amenable number.

47973881 is a deficient number, since it is larger than the sum of its proper divisors (3028903).

47973881 is a wasteful number, since it uses less digits than its factorization.

47973881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11511.

The product of its digits is 338688, while the sum is 47.

The square root of 47973881 is about 6926.3179973201. The cubic root of 47973881 is about 363.3581880331.

The spelling of 47973881 in words is "forty-seven million, nine hundred seventy-three thousand, eight hundred eighty-one".