47768893 has 4 divisors (see below), whose sum is σ = 47924800. Its totient is φ = 47612988.

The previous prime is 47768863. The next prime is 47768921. The reversal of 47768893 is 39886774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47768893 - 2⁹ = 47768381 is a prime.

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 47768893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47768803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77493 + ... + 78106.

It is an arithmetic number, because the mean of its divisors is an integer number (11981200).

Almost surely, 2^47768893 is an apocalyptic number.

It is an amenable number.

47768893 is a deficient number, since it is larger than the sum of its proper divisors (155907).

47768893 is a wasteful number, since it uses less digits than its factorization.

47768893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155906.

The product of its digits is 2032128, while the sum is 52.

The square root of 47768893 is about 6911.5043948478. The cubic root of 47768893 is about 362.8399170690.

The spelling of 47768893 in words is "forty-seven million, seven hundred sixty-eight thousand, eight hundred ninety-three".