767660066765 has 32 divisors (see below), whose sum is σ = 971498880000. Its totient is φ = 581515054848.

The previous prime is 767660066753. The next prime is 767660066777. The reversal of 767660066765 is 567660066767.

It is an interprime number because it is at equal distance from previous prime (767660066753) and next prime (767660066777).

It is a cyclic number.

It is not a de Polignac number, because 767660066765 - 2²⁸ = 767391631309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 767660066698 and 767660066707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1481912 + ... + 1931678.

It is an arithmetic number, because the mean of its divisors is an integer number (30359340000).

Almost surely, 2^767660066765 is an apocalyptic number.

It is an amenable number.

767660066765 is a deficient number, since it is larger than the sum of its proper divisors (203838813235).

767660066765 is a wasteful number, since it uses less digits than its factorization.

767660066765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450029.

The product of its (nonzero) digits is 80015040, while the sum is 62.

The spelling of 767660066765 in words is "seven hundred sixty-seven billion, six hundred sixty million, sixty-six thousand, seven hundred sixty-five".