889152647 has 2 divisors, whose sum is σ = 889152648. Its totient is φ = 889152646.

The previous prime is 889152643. The next prime is 889152713. The reversal of 889152647 is 746251988.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 889152647 - 2² = 889152643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 889152595 and 889152604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889152643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444576323 + 444576324.

It is an arithmetic number, because the mean of its divisors is an integer number (444576324).

Almost surely, 2^889152647 is an apocalyptic number.

889152647 is a deficient number, since it is larger than the sum of its proper divisors (1).

889152647 is an equidigital number, since it uses as much as digits as its factorization.

889152647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 50.

The square root of 889152647 is about 29818.6627299079. The cubic root of 889152647 is about 961.5948053890.

The spelling of 889152647 in words is "eight hundred eighty-nine million, one hundred fifty-two thousand, six hundred forty-seven".