97798641319 has 2 divisors, whose sum is σ = 97798641320. Its totient is φ = 97798641318.

The previous prime is 97798641253. The next prime is 97798641323. The reversal of 97798641319 is 91314689779.

It is a strong prime.

It is an emirp because it is prime and its reverse (91314689779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97798641319 - 2¹¹ = 97798639271 is a prime.

It is a super-2 number, since 2×97798641319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97798641349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48899320659 + 48899320660.

It is an arithmetic number, because the mean of its divisors is an integer number (48899320660).

Almost surely, 2^97798641319 is an apocalyptic number.

97798641319 is a deficient number, since it is larger than the sum of its proper divisors (1).

97798641319 is an equidigital number, since it uses as much as digits as its factorization.

97798641319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 64.

The spelling of 97798641319 in words is "ninety-seven billion, seven hundred ninety-eight million, six hundred forty-one thousand, three hundred nineteen".