766712215347 has 16 divisors (see below), whose sum is σ = 1102195842048. Its totient is φ = 471276156960.

The previous prime is 766712215331. The next prime is 766712215349. The reversal of 766712215347 is 743512217667.

It is not a de Polignac number, because 766712215347 - 2⁴ = 766712215331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 766712215347.

It is not an unprimeable number, because it can be changed into a prime (766712215349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11356429 + ... + 11423742.

It is an arithmetic number, because the mean of its divisors is an integer number (68887240128).

Almost surely, 2^766712215347 is an apocalyptic number.

766712215347 is a deficient number, since it is larger than the sum of its proper divisors (335483626701).

766712215347 is a wasteful number, since it uses less digits than its factorization.

766712215347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22781050.

The product of its digits is 2963520, while the sum is 51.

The spelling of 766712215347 in words is "seven hundred sixty-six billion, seven hundred twelve million, two hundred fifteen thousand, three hundred forty-seven".