47802788 has 24 divisors (see below), whose sum is σ = 94409280. Its totient is φ = 20978720.

The previous prime is 47802787. The next prime is 47802791. The reversal of 47802788 is 88720874.

It is a happy number.

47802788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (47802787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17456 + ... + 20007.

It is an arithmetic number, because the mean of its divisors is an integer number (3933720).

Almost surely, 2^47802788 is an apocalyptic number.

It is an amenable number.

47802788 is a deficient number, since it is larger than the sum of its proper divisors (46606492).

47802788 is a wasteful number, since it uses less digits than its factorization.

47802788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37507 (or 37505 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 47802788 is about 6913.9560311012. The cubic root of 47802788 is about 362.9257159402.

The spelling of 47802788 in words is "forty-seven million, eight hundred two thousand, seven hundred eighty-eight".