768310447 has 2 divisors, whose sum is σ = 768310448. Its totient is φ = 768310446.

The previous prime is 768310421. The next prime is 768310451. The reversal of 768310447 is 744013867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768310447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768317447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384155223 + 384155224.

It is an arithmetic number, because the mean of its divisors is an integer number (384155224).

Almost surely, 2^768310447 is an apocalyptic number.

768310447 is a deficient number, since it is larger than the sum of its proper divisors (1).

768310447 is an equidigital number, since it uses as much as digits as its factorization.

768310447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 768310447 is about 27718.4135007760. The cubic root of 768310447 is about 915.8947708584.

The spelling of 768310447 in words is "seven hundred sixty-eight million, three hundred ten thousand, four hundred forty-seven".