97964887 has 2 divisors, whose sum is σ = 97964888. Its totient is φ = 97964886.

The previous prime is 97964869. The next prime is 97964899. The reversal of 97964887 is 78846979.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97964887 - 2¹⁵ = 97932119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97964857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48982443 + 48982444.

It is an arithmetic number, because the mean of its divisors is an integer number (48982444).

Almost surely, 2^97964887 is an apocalyptic number.

97964887 is a deficient number, since it is larger than the sum of its proper divisors (1).

97964887 is an equidigital number, since it uses as much as digits as its factorization.

97964887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 58.

The square root of 97964887 is about 9897.7213034112. The cubic root of 97964887 is about 460.9885592780.

The spelling of 97964887 in words is "ninety-seven million, nine hundred sixty-four thousand, eight hundred eighty-seven".