8900000047 has 2 divisors, whose sum is σ = 8900000048. Its totient is φ = 8900000046.

The previous prime is 8900000027. The next prime is 8900000071. The reversal of 8900000047 is 7400000098.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8900000047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8899999970 and 8900000024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8900000027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4450000023 + 4450000024.

It is an arithmetic number, because the mean of its divisors is an integer number (4450000024).

Almost surely, 2^8900000047 is an apocalyptic number.

8900000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

8900000047 is an equidigital number, since it uses as much as digits as its factorization.

8900000047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 8900000047 is about 94339.8115696655. The cubic root of 8900000047 is about 2072.3511017072.

The spelling of 8900000047 in words is "eight billion, nine hundred million, forty-seven", and thus it is an aban number.