47823788 has 24 divisors (see below), whose sum is σ = 89132400. Its totient is φ = 22373888.

The previous prime is 47823781. The next prime is 47823821. The reversal of 47823788 is 88732874.

It is a happy number.

It is a super-2 number, since 2×47823788² = 4574229397337888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47823781) 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, 10208 + ... + 14136.

It is an arithmetic number, because the mean of its divisors is an integer number (3713850).

Almost surely, 2^47823788 is an apocalyptic number.

It is an amenable number.

47823788 is a deficient number, since it is larger than the sum of its proper divisors (41308612).

47823788 is a wasteful number, since it uses less digits than its factorization.

47823788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129 (or 4127 counting only the distinct ones).

The product of its digits is 602112, while the sum is 47.

The square root of 47823788 is about 6915.4745318018. The cubic root of 47823788 is about 362.9788531775.

The spelling of 47823788 in words is "forty-seven million, eight hundred twenty-three thousand, seven hundred eighty-eight".