97884689087 has 2 divisors, whose sum is σ = 97884689088. Its totient is φ = 97884689086.

The previous prime is 97884689051. The next prime is 97884689107. The reversal of 97884689087 is 78098648879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97884689087 - 2⁸ = 97884688831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97884619087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48942344543 + 48942344544.

It is an arithmetic number, because the mean of its divisors is an integer number (48942344544).

Almost surely, 2^97884689087 is an apocalyptic number.

97884689087 is a deficient number, since it is larger than the sum of its proper divisors (1).

97884689087 is an equidigital number, since it uses as much as digits as its factorization.

97884689087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 390168576, while the sum is 74.

The spelling of 97884689087 in words is "ninety-seven billion, eight hundred eighty-four million, six hundred eighty-nine thousand, eighty-seven".