766852855231 has 4 divisors (see below), whose sum is σ = 768389635000. Its totient is φ = 765316075464.

The previous prime is 766852855217. The next prime is 766852855261. The reversal of 766852855231 is 132558258667.

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 766852855231 - 2²⁹ = 766315984319 is a prime.

It is a super-2 number, since 2×766852855231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766852855261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768389136 + ... + 768390133.

It is an arithmetic number, because the mean of its divisors is an integer number (192097408750).

Almost surely, 2^766852855231 is an apocalyptic number.

766852855231 is a deficient number, since it is larger than the sum of its proper divisors (1536779769).

766852855231 is a wasteful number, since it uses less digits than its factorization.

766852855231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536779768.

The product of its digits is 24192000, while the sum is 58.

The spelling of 766852855231 in words is "seven hundred sixty-six billion, eight hundred fifty-two million, eight hundred fifty-five thousand, two hundred thirty-one".