98664953 has 2 divisors, whose sum is σ = 98664954. Its totient is φ = 98664952.

The previous prime is 98664949. The next prime is 98664961. The reversal of 98664953 is 35946689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85969984 + 12694969 = 9272^2 + 3563^2 .

It is a cyclic number.

It is not a de Polignac number, because 98664953 - 2² = 98664949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (98664913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49332476 + 49332477.

It is an arithmetic number, because the mean of its divisors is an integer number (49332477).

Almost surely, 2^98664953 is an apocalyptic number.

It is an amenable number.

98664953 is a deficient number, since it is larger than the sum of its proper divisors (1).

98664953 is an equidigital number, since it uses as much as digits as its factorization.

98664953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 50.

The square root of 98664953 is about 9933.0233564610. The cubic root of 98664953 is about 462.0840426683.

The spelling of 98664953 in words is "ninety-eight million, six hundred sixty-four thousand, nine hundred fifty-three".