97195042487 has 2 divisors, whose sum is σ = 97195042488. Its totient is φ = 97195042486.

The previous prime is 97195042409. The next prime is 97195042523. The reversal of 97195042487 is 78424059179.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97195042487 - 2¹⁸ = 97194780343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97195042687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48597521243 + 48597521244.

It is an arithmetic number, because the mean of its divisors is an integer number (48597521244).

Almost surely, 2^97195042487 is an apocalyptic number.

97195042487 is a deficient number, since it is larger than the sum of its proper divisors (1).

97195042487 is an equidigital number, since it uses as much as digits as its factorization.

97195042487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 97195042487 in words is "ninety-seven billion, one hundred ninety-five million, forty-two thousand, four hundred eighty-seven".