98967997 has 2 divisors, whose sum is σ = 98967998. Its totient is φ = 98967996.

The previous prime is 98967991. The next prime is 98968019. The reversal of 98967997 is 79976989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66031876 + 32936121 = 8126^2 + 5739^2 .

It is a cyclic number.

It is not a de Polignac number, because 98967997 - 2³ = 98967989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98967991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49483998 + 49483999.

It is an arithmetic number, because the mean of its divisors is an integer number (49483999).

Almost surely, 2^98967997 is an apocalyptic number.

It is an amenable number.

98967997 is a deficient number, since it is larger than the sum of its proper divisors (1).

98967997 is an equidigital number, since it uses as much as digits as its factorization.

98967997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15431472, while the sum is 64.

The square root of 98967997 is about 9948.2660298165. The cubic root of 98967997 is about 462.5566477485.

It can be divided in two parts, 989 and 67997, that added together give a palindrome (68986).

The spelling of 98967997 in words is "ninety-eight million, nine hundred sixty-seven thousand, nine hundred ninety-seven".