765065371879 has 2 divisors, whose sum is σ = 765065371880. Its totient is φ = 765065371878.

The previous prime is 765065371853. The next prime is 765065371891. The reversal of 765065371879 is 978173560567.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 765065371879 - 2¹³ = 765065363687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 765065371879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (765065321879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382532685939 + 382532685940.

It is an arithmetic number, because the mean of its divisors is an integer number (382532685940).

Almost surely, 2^765065371879 is an apocalyptic number.

765065371879 is a deficient number, since it is larger than the sum of its proper divisors (1).

765065371879 is an equidigital number, since it uses as much as digits as its factorization.

765065371879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66679200, while the sum is 64.

The spelling of 765065371879 in words is "seven hundred sixty-five billion, sixty-five million, three hundred seventy-one thousand, eight hundred seventy-nine".