98664407 has 2 divisors, whose sum is σ = 98664408. Its totient is φ = 98664406.

The previous prime is 98664347. The next prime is 98664427. The reversal of 98664407 is 70446689.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98664407 - 2⁸ = 98664151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98664427) 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, 49332203 + 49332204.

It is an arithmetic number, because the mean of its divisors is an integer number (49332204).

Almost surely, 2^98664407 is an apocalyptic number.

98664407 is a deficient number, since it is larger than the sum of its proper divisors (1).

98664407 is an equidigital number, since it uses as much as digits as its factorization.

98664407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 98664407 is about 9932.9958723439. The cubic root of 98664407 is about 462.0831902942.

The spelling of 98664407 in words is "ninety-eight million, six hundred sixty-four thousand, four hundred seven".