47773838 has 16 divisors (see below), whose sum is σ = 82030560. Its totient is φ = 20441376.

The previous prime is 47773837. The next prime is 47773849. The reversal of 47773838 is 83837774.

It is a junction number, because it is equal to n+sod(n) for n = 47773792 and 47773801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47773837) 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, 7520 + ... + 12332.

It is an arithmetic number, because the mean of its divisors is an integer number (5126910).

Almost surely, 2^47773838 is an apocalyptic number.

47773838 is a deficient number, since it is larger than the sum of its proper divisors (34256722).

47773838 is a wasteful number, since it uses less digits than its factorization.

47773838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531.

The product of its digits is 790272, while the sum is 47.

The square root of 47773838 is about 6911.8621224674. The cubic root of 47773838 is about 362.8524369424.

The spelling of 47773838 in words is "forty-seven million, seven hundred seventy-three thousand, eight hundred thirty-eight".