766193670993 has 8 divisors (see below), whose sum is σ = 1024164841408. Its totient is φ = 509509140624.

The previous prime is 766193670971. The next prime is 766193671069. The reversal of 766193670993 is 399076391667.

766193670993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-766193670993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766193600993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321658621 + ... + 321661002.

It is an arithmetic number, because the mean of its divisors is an integer number (128020605176).

Almost surely, 2^766193670993 is an apocalyptic number.

It is an amenable number.

766193670993 is a deficient number, since it is larger than the sum of its proper divisors (257971170415).

766193670993 is a wasteful number, since it uses less digits than its factorization.

766193670993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643320023.

The product of its (nonzero) digits is 69441624, while the sum is 66.

The spelling of 766193670993 in words is "seven hundred sixty-six billion, one hundred ninety-three million, six hundred seventy thousand, nine hundred ninety-three".