97097687 has 2 divisors, whose sum is σ = 97097688. Its totient is φ = 97097686.

The previous prime is 97097669. The next prime is 97097701. The reversal of 97097687 is 78679079.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97097687 - 2²⁰ = 96049111 is a prime.

It is a Chen prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97097647) 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, 48548843 + 48548844.

It is an arithmetic number, because the mean of its divisors is an integer number (48548844).

Almost surely, 2^97097687 is an apocalyptic number.

97097687 is a deficient number, since it is larger than the sum of its proper divisors (1).

97097687 is an equidigital number, since it uses as much as digits as its factorization.

97097687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 53.

The square root of 97097687 is about 9853.8158598586. The cubic root of 97097687 is about 459.6242788965.

The spelling of 97097687 in words is "ninety-seven million, ninety-seven thousand, six hundred eighty-seven".