47911893 has 8 divisors (see below), whose sum is σ = 64386048. Its totient is φ = 31689504.

The previous prime is 47911891. The next prime is 47911909. The reversal of 47911893 is 39811974.

It is a happy number.

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

It is not a de Polignac number, because 47911893 - 2¹ = 47911891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47911891) 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, 62496 + ... + 63257.

It is an arithmetic number, because the mean of its divisors is an integer number (8048256).

Almost surely, 2^47911893 is an apocalyptic number.

It is an amenable number.

47911893 is a deficient number, since it is larger than the sum of its proper divisors (16474155).

47911893 is a wasteful number, since it uses less digits than its factorization.

47911893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125883.

The product of its digits is 54432, while the sum is 42.

The square root of 47911893 is about 6921.8417346830. The cubic root of 47911893 is about 363.2016198128.

The spelling of 47911893 in words is "forty-seven million, nine hundred eleven thousand, eight hundred ninety-three".