767668963 has 2 divisors, whose sum is σ = 767668964. Its totient is φ = 767668962.

The previous prime is 767668939. The next prime is 767668973. The reversal of 767668963 is 369866767.

It is a strong prime.

It is an emirp because it is prime and its reverse (369866767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 767668963 - 2²¹ = 765571811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 767668898 and 767668907.

It is not a weakly prime, because it can be changed into another prime (767668973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383834481 + 383834482.

It is an arithmetic number, because the mean of its divisors is an integer number (383834482).

Almost surely, 2^767668963 is an apocalyptic number.

767668963 is a deficient number, since it is larger than the sum of its proper divisors (1).

767668963 is an equidigital number, since it uses as much as digits as its factorization.

767668963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 58.

The square root of 767668963 is about 27706.8396429474. The cubic root of 767668963 is about 915.6397977830.

The spelling of 767668963 in words is "seven hundred sixty-seven million, six hundred sixty-eight thousand, nine hundred sixty-three".