47328889 has 2 divisors, whose sum is σ = 47328890. Its totient is φ = 47328888.

The previous prime is 47328881. The next prime is 47328907. The reversal of 47328889 is 98882374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33698025 + 13630864 = 5805^2 + 3692^2 .

It is a cyclic number.

It is not a de Polignac number, because 47328889 - 2³ = 47328881 is a prime.

It is not a weakly prime, because it can be changed into another prime (47328881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23664444 + 23664445.

It is an arithmetic number, because the mean of its divisors is an integer number (23664445).

Almost surely, 2^47328889 is an apocalyptic number.

It is an amenable number.

47328889 is a deficient number, since it is larger than the sum of its proper divisors (1).

47328889 is an equidigital number, since it uses as much as digits as its factorization.

47328889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 47328889 is about 6879.5994796209. The cubic root of 47328889 is about 361.7224274515.

The spelling of 47328889 in words is "forty-seven million, three hundred twenty-eight thousand, eight hundred eighty-nine".