768842357747 has 2 divisors, whose sum is σ = 768842357748. Its totient is φ = 768842357746.

The previous prime is 768842357743. The next prime is 768842357761. The reversal of 768842357747 is 747753248867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768842357747 - 2² = 768842357743 is a prime.

It is a super-2 number, since 2×768842357747² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (768842357743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384421178873 + 384421178874.

It is an arithmetic number, because the mean of its divisors is an integer number (384421178874).

Almost surely, 2^768842357747 is an apocalyptic number.

768842357747 is a deficient number, since it is larger than the sum of its proper divisors (1).

768842357747 is an equidigital number, since it uses as much as digits as its factorization.

768842357747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442552320, while the sum is 68.

The spelling of 768842357747 in words is "seven hundred sixty-eight billion, eight hundred forty-two million, three hundred fifty-seven thousand, seven hundred forty-seven".