768868779383 has 2 divisors, whose sum is σ = 768868779384. Its totient is φ = 768868779382.

The previous prime is 768868779377. The next prime is 768868779463. The reversal of 768868779383 is 383977868867.

It is an a-pointer prime, because the next prime (768868779463) can be obtained adding 768868779383 to its sum of digits (80).

It is a weak prime.

It is an emirp because it is prime and its reverse (383977868867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768868779383 - 2¹² = 768868775287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 768868779298 and 768868779307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768868779373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384434389691 + 384434389692.

It is an arithmetic number, because the mean of its divisors is an integer number (384434389692).

Almost surely, 2^768868779383 is an apocalyptic number.

768868779383 is a deficient number, since it is larger than the sum of its proper divisors (1).

768868779383 is an equidigital number, since it uses as much as digits as its factorization.

768868779383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4096770048, while the sum is 80.

The spelling of 768868779383 in words is "seven hundred sixty-eight billion, eight hundred sixty-eight million, seven hundred seventy-nine thousand, three hundred eighty-three".