97820086183 has 2 divisors, whose sum is σ = 97820086184. Its totient is φ = 97820086182.

The previous prime is 97820086171. The next prime is 97820086193. The reversal of 97820086183 is 38168002879.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97820086183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97820086183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97820086103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48910043091 + 48910043092.

It is an arithmetic number, because the mean of its divisors is an integer number (48910043092).

Almost surely, 2^97820086183 is an apocalyptic number.

97820086183 is a deficient number, since it is larger than the sum of its proper divisors (1).

97820086183 is an equidigital number, since it uses as much as digits as its factorization.

97820086183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 97820086183 in words is "ninety-seven billion, eight hundred twenty million, eighty-six thousand, one hundred eighty-three".