889676429 has 2 divisors, whose sum is σ = 889676430. Its totient is φ = 889676428.

The previous prime is 889676401. The next prime is 889676443. The reversal of 889676429 is 924676988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887920804 + 1755625 = 29798^2 + 1325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889676429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889676449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444838214 + 444838215.

It is an arithmetic number, because the mean of its divisors is an integer number (444838215).

Almost surely, 2^889676429 is an apocalyptic number.

It is an amenable number.

889676429 is a deficient number, since it is larger than the sum of its proper divisors (1).

889676429 is an equidigital number, since it uses as much as digits as its factorization.

889676429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 59.

The square root of 889676429 is about 29827.4442250757. Note that the first 3 decimals coincide. The cubic root of 889676429 is about 961.7835870658.

The spelling of 889676429 in words is "eight hundred eighty-nine million, six hundred seventy-six thousand, four hundred twenty-nine".