97310887 has 2 divisors, whose sum is σ = 97310888. Its totient is φ = 97310886.

The previous prime is 97310869. The next prime is 97310911. The reversal of 97310887 is 78801379.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97310887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97310827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48655443 + 48655444.

It is an arithmetic number, because the mean of its divisors is an integer number (48655444).

Almost surely, 2^97310887 is an apocalyptic number.

97310887 is a deficient number, since it is larger than the sum of its proper divisors (1).

97310887 is an equidigital number, since it uses as much as digits as its factorization.

97310887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 97310887 is about 9864.6280720562. The cubic root of 97310887 is about 459.9604361058.

The spelling of 97310887 in words is "ninety-seven million, three hundred ten thousand, eight hundred eighty-seven".