766012231 has 16 divisors (see below), whose sum is σ = 823543200. Its totient is φ = 709936128.

The previous prime is 766012223. The next prime is 766012241. The reversal of 766012231 is 132210667.

It is a cyclic number.

It is not a de Polignac number, because 766012231 - 2³ = 766012223 is a prime.

It is a super-2 number, since 2×766012231² = 1173549476083194722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 766012231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766012211) 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, 427285 + ... + 429073.

It is an arithmetic number, because the mean of its divisors is an integer number (51471450).

Almost surely, 2^766012231 is an apocalyptic number.

766012231 is a deficient number, since it is larger than the sum of its proper divisors (57530969).

766012231 is a wasteful number, since it uses less digits than its factorization.

766012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 766012231 is about 27676.9259673107. The cubic root of 766012231 is about 914.9806324347.

Adding to 766012231 its reverse (132210667), we get a palindrome (898222898).

It can be divided in two parts, 7660 and 12231, that added together give a palindrome (19891).

The spelling of 766012231 in words is "seven hundred sixty-six million, twelve thousand, two hundred thirty-one".