766742415761 has 8 divisors (see below), whose sum is σ = 876284813760. Its totient is φ = 657201959568.

The previous prime is 766742415743. The next prime is 766742415797. The reversal of 766742415761 is 167514247667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-766742415761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 766742415697 and 766742415706.

It is not an unprimeable number, because it can be changed into a prime (766742415661) 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 in 7 ways as a sum of consecutive naturals, for example, 491855 + ... + 1332443.

It is an arithmetic number, because the mean of its divisors is an integer number (109535601720).

Almost surely, 2^766742415761 is an apocalyptic number.

It is an amenable number.

766742415761 is a deficient number, since it is larger than the sum of its proper divisors (109542397999).

766742415761 is a wasteful number, since it uses less digits than its factorization.

766742415761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970903.

The product of its digits is 11854080, while the sum is 56.

The spelling of 766742415761 in words is "seven hundred sixty-six billion, seven hundred forty-two million, four hundred fifteen thousand, seven hundred sixty-one".