68797071359971 has 2 divisors, whose sum is σ = 68797071359972. Its totient is φ = 68797071359970.

The previous prime is 68797071359969. The next prime is 68797071360049. The reversal of 68797071359971 is 17995317079786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68797071359971 - 2¹ = 68797071359969 is a prime.

It is a super-2 number, since 2×68797071359971² (a number of 28 digits) contains 22 as substring.

Together with 68797071359969, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 68797071359891 and 68797071359900.

It is not a weakly prime, because it can be changed into another prime (68797071329971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34398535679985 + 34398535679986.

It is an arithmetic number, because the mean of its divisors is an integer number (34398535679986).

Almost surely, 2^{68797071359971} is an apocalyptic number.

68797071359971 is a deficient number, since it is larger than the sum of its proper divisors (1).

68797071359971 is an equidigital number, since it uses as much as digits as its factorization.

68797071359971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260236880, while the sum is 79.

The spelling of 68797071359971 in words is "sixty-eight trillion, seven hundred ninety-seven billion, seventy-one million, three hundred fifty-nine thousand, nine hundred seventy-one".