98664427 has 2 divisors, whose sum is σ = 98664428. Its totient is φ = 98664426.

The previous prime is 98664407. The next prime is 98664431. The reversal of 98664427 is 72446689.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98664427 is a prime.

It is not a weakly prime, because it can be changed into another prime (98664407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49332213 + 49332214.

It is an arithmetic number, because the mean of its divisors is an integer number (49332214).

Almost surely, 2^98664427 is an apocalyptic number.

98664427 is a deficient number, since it is larger than the sum of its proper divisors (1).

98664427 is an equidigital number, since it uses as much as digits as its factorization.

98664427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 98664427 is about 9932.9968790894. The cubic root of 98664427 is about 462.0832215167.

The spelling of 98664427 in words is "ninety-eight million, six hundred sixty-four thousand, four hundred twenty-seven".