768408031 has 2 divisors, whose sum is σ = 768408032. Its totient is φ = 768408030.

The previous prime is 768407993. The next prime is 768408037. The reversal of 768408031 is 130804867.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (130804867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768408031 - 2⁷ = 768407903 is a prime.

It is a super-2 number, since 2×768408031² = 1180901804210593922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768408037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384204015 + 384204016.

It is an arithmetic number, because the mean of its divisors is an integer number (384204016).

Almost surely, 2^768408031 is an apocalyptic number.

768408031 is a deficient number, since it is larger than the sum of its proper divisors (1).

768408031 is an equidigital number, since it uses as much as digits as its factorization.

768408031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 768408031 is about 27720.1737187919. The cubic root of 768408031 is about 915.9335455022.

The spelling of 768408031 in words is "seven hundred sixty-eight million, four hundred eight thousand, thirty-one".