772666475307 has 16 divisors (see below), whose sum is σ = 1058704599072. Its totient is φ = 500886478080.

The previous prime is 772666475291. The next prime is 772666475437. The reversal of 772666475307 is 703574666277.

772666475307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 772666475307 - 2⁴ = 772666475291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (772666475107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916544 + ... + 2284397.

It is an arithmetic number, because the mean of its divisors is an integer number (66169037442).

Almost surely, 2^772666475307 is an apocalyptic number.

772666475307 is a deficient number, since it is larger than the sum of its proper divisors (286038123765).

772666475307 is a wasteful number, since it uses less digits than its factorization.

772666475307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202638.

The product of its (nonzero) digits is 62233920, while the sum is 60.

The spelling of 772666475307 in words is "seven hundred seventy-two billion, six hundred sixty-six million, four hundred seventy-five thousand, three hundred seven".