775164326407 has 2 divisors, whose sum is σ = 775164326408. Its totient is φ = 775164326406.

The previous prime is 775164326369. The next prime is 775164326459. The reversal of 775164326407 is 704623461577.

It is an a-pointer prime, because the next prime (775164326459) can be obtained adding 775164326407 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-775164326407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (775164326507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387582163203 + 387582163204.

It is an arithmetic number, because the mean of its divisors is an integer number (387582163204).

Almost surely, 2^775164326407 is an apocalyptic number.

775164326407 is a deficient number, since it is larger than the sum of its proper divisors (1).

775164326407 is an equidigital number, since it uses as much as digits as its factorization.

775164326407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 775164326407 in words is "seven hundred seventy-five billion, one hundred sixty-four million, three hundred twenty-six thousand, four hundred seven".