766766948722 has 8 divisors (see below), whose sum is σ = 1150814104236. Its totient is φ = 383162247312.

The previous prime is 766766948671. The next prime is 766766948741. The reversal of 766766948722 is 227849667667.

766766948722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 745392216321 + 21374732401 = 863361^2 + 146201^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110609193 + ... + 110616124.

Almost surely, 2^766766948722 is an apocalyptic number.

766766948722 is a deficient number, since it is larger than the sum of its proper divisors (384047155514).

766766948722 is a wasteful number, since it uses less digits than its factorization.

766766948722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221227052.

The product of its digits is 512096256, while the sum is 70.

The spelling of 766766948722 in words is "seven hundred sixty-six billion, seven hundred sixty-six million, nine hundred forty-eight thousand, seven hundred twenty-two".