768905407 has 2 divisors, whose sum is σ = 768905408. Its totient is φ = 768905406.

The previous prime is 768905377. The next prime is 768905437. The reversal of 768905407 is 704509867.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (768905377) and next prime (768905437).

It is a cyclic number.

It is not a de Polignac number, because 768905407 - 2⁷ = 768905279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768905437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384452703 + 384452704.

It is an arithmetic number, because the mean of its divisors is an integer number (384452704).

Almost surely, 2^768905407 is an apocalyptic number.

768905407 is a deficient number, since it is larger than the sum of its proper divisors (1).

768905407 is an equidigital number, since it uses as much as digits as its factorization.

768905407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 768905407 is about 27729.1436398602. The cubic root of 768905407 is about 916.1311250378.

The spelling of 768905407 in words is "seven hundred sixty-eight million, nine hundred five thousand, four hundred seven".