768629926847 has 2 divisors, whose sum is σ = 768629926848. Its totient is φ = 768629926846.

The previous prime is 768629926829. The next prime is 768629926849. The reversal of 768629926847 is 748629926867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 768629926847 - 2¹² = 768629922751 is a prime.

It is a super-2 number, since 2×768629926847² (a number of 25 digits) contains 22 as substring.

Together with 768629926849, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768629926849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384314963423 + 384314963424.

It is an arithmetic number, because the mean of its divisors is an integer number (384314963424).

Almost surely, 2^768629926847 is an apocalyptic number.

768629926847 is a deficient number, since it is larger than the sum of its proper divisors (1).

768629926847 is an equidigital number, since it uses as much as digits as its factorization.

768629926847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 877879296, while the sum is 74.

The spelling of 768629926847 in words is "seven hundred sixty-eight billion, six hundred twenty-nine million, nine hundred twenty-six thousand, eight hundred forty-seven".