766274221711 has 4 divisors (see below), whose sum is σ = 790992745024. Its totient is φ = 741555698400.

The previous prime is 766274221709. The next prime is 766274221721. The reversal of 766274221711 is 117122472667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 766274221711 - 2¹ = 766274221709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766274221721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12359261610 + ... + 12359261671.

It is an arithmetic number, because the mean of its divisors is an integer number (197748186256).

Almost surely, 2^766274221711 is an apocalyptic number.

766274221711 is a deficient number, since it is larger than the sum of its proper divisors (24718523313).

766274221711 is a wasteful number, since it uses less digits than its factorization.

766274221711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24718523312.

The product of its digits is 395136, while the sum is 46.

The spelling of 766274221711 in words is "seven hundred sixty-six billion, two hundred seventy-four million, two hundred twenty-one thousand, seven hundred eleven".