765097797078 has 24 divisors (see below), whose sum is σ = 1657734280488. Its totient is φ = 255029154912.

The previous prime is 765097797077. The next prime is 765097797097. The reversal of 765097797078 is 870797790567.

765097797078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 765097796997 and 765097797015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765097797077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1328725 + ... + 1815407.

It is an arithmetic number, because the mean of its divisors is an integer number (69072261687).

Almost surely, 2^765097797078 is an apocalyptic number.

765097797078 is an abundant number, since it is smaller than the sum of its proper divisors (892636483410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

765097797078 is a wasteful number, since it uses less digits than its factorization.

765097797078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574028 (or 574025 counting only the distinct ones).

The product of its (nonzero) digits is 326728080, while the sum is 72.

The spelling of 765097797078 in words is "seven hundred sixty-five billion, ninety-seven million, seven hundred ninety-seven thousand, seventy-eight".