89129671 has 2 divisors, whose sum is σ = 89129672. Its totient is φ = 89129670.

The previous prime is 89129659. The next prime is 89129693. The reversal of 89129671 is 17692198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89129671 - 2⁷ = 89129543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89129611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44564835 + 44564836.

It is an arithmetic number, because the mean of its divisors is an integer number (44564836).

Almost surely, 2^89129671 is an apocalyptic number.

89129671 is a deficient number, since it is larger than the sum of its proper divisors (1).

89129671 is an equidigital number, since it uses as much as digits as its factorization.

89129671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 43.

The square root of 89129671 is about 9440.8511798460. The cubic root of 89129671 is about 446.6912387784.

The spelling of 89129671 in words is "eighty-nine million, one hundred twenty-nine thousand, six hundred seventy-one".