89686427 has 2 divisors, whose sum is σ = 89686428. Its totient is φ = 89686426.

The previous prime is 89686411. The next prime is 89686447. The reversal of 89686427 is 72468698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89686427 - 2⁴ = 89686411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89686447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44843213 + 44843214.

It is an arithmetic number, because the mean of its divisors is an integer number (44843214).

Almost surely, 2^89686427 is an apocalyptic number.

89686427 is a deficient number, since it is larger than the sum of its proper divisors (1).

89686427 is an equidigital number, since it uses as much as digits as its factorization.

89686427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 89686427 is about 9470.2918117659. The cubic root of 89686427 is about 447.6194069796.

The spelling of 89686427 in words is "eighty-nine million, six hundred eighty-six thousand, four hundred twenty-seven".