766327640231 has 8 divisors (see below), whose sum is σ = 775716792864. Its totient is φ = 756975970080.

The previous prime is 766327640213. The next prime is 766327640237. The reversal of 766327640231 is 132046723667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 766327640231 - 2³⁰ = 765253898407 is a prime.

It is a super-2 number, since 2×766327640231² (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 (766327640237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9329480 + ... + 9411261.

It is an arithmetic number, because the mean of its divisors is an integer number (96964599108).

Almost surely, 2^766327640231 is an apocalyptic number.

766327640231 is a deficient number, since it is larger than the sum of its proper divisors (9389152633).

766327640231 is a wasteful number, since it uses less digits than its factorization.

766327640231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18741241.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 766327640231 in words is "seven hundred sixty-six billion, three hundred twenty-seven million, six hundred forty thousand, two hundred thirty-one".