97869183793 has 2 divisors, whose sum is σ = 97869183794. Its totient is φ = 97869183792.

The previous prime is 97869183791. The next prime is 97869183803. The reversal of 97869183793 is 39738196879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63447060769 + 34422123024 = 251887^2 + 185532^2 .

It is a cyclic number.

It is not a de Polignac number, because 97869183793 - 2¹ = 97869183791 is a prime.

Together with 97869183791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97869183791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48934591896 + 48934591897.

It is an arithmetic number, because the mean of its divisors is an integer number (48934591897).

Almost surely, 2^97869183793 is an apocalyptic number.

It is an amenable number.

97869183793 is a deficient number, since it is larger than the sum of its proper divisors (1).

97869183793 is an equidigital number, since it uses as much as digits as its factorization.

97869183793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123451776, while the sum is 70.

The spelling of 97869183793 in words is "ninety-seven billion, eight hundred sixty-nine million, one hundred eighty-three thousand, seven hundred ninety-three".