97743697867 has 2 divisors, whose sum is σ = 97743697868. Its totient is φ = 97743697866.

The previous prime is 97743697823. The next prime is 97743697927. The reversal of 97743697867 is 76879634779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97743697867 - 2¹⁵ = 97743665099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97743697867.

It is not a weakly prime, because it can be changed into another prime (97743647867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48871848933 + 48871848934.

It is an arithmetic number, because the mean of its divisors is an integer number (48871848934).

Almost surely, 2^97743697867 is an apocalyptic number.

97743697867 is a deficient number, since it is larger than the sum of its proper divisors (1).

97743697867 is an equidigital number, since it uses as much as digits as its factorization.

97743697867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672126336, while the sum is 73.

The spelling of 97743697867 in words is "ninety-seven billion, seven hundred forty-three million, six hundred ninety-seven thousand, eight hundred sixty-seven".