47500889 has 2 divisors, whose sum is σ = 47500890. Its totient is φ = 47500888.

The previous prime is 47500861. The next prime is 47500891. The reversal of 47500889 is 98800574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47499664 + 1225 = 6892^2 + 35^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47500889 is a prime.

Together with 47500891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47503889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23750444 + 23750445.

It is an arithmetic number, because the mean of its divisors is an integer number (23750445).

Almost surely, 2^47500889 is an apocalyptic number.

It is an amenable number.

47500889 is a deficient number, since it is larger than the sum of its proper divisors (1).

47500889 is an equidigital number, since it uses as much as digits as its factorization.

47500889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 47500889 is about 6892.0888705820. The cubic root of 47500889 is about 362.1600815145.

The spelling of 47500889 in words is "forty-seven million, five hundred thousand, eight hundred eighty-nine".