7687439822133 has 6 divisors (see below), whose sum is σ = 11104079743094. Its totient is φ = 5124959881416.

The previous prime is 7687439822093. The next prime is 7687439822141. The reversal of 7687439822133 is 3312289347867.

7687439822133 is a `hidden beast` number, since 7 + 68 + 7 + 439 + 8 + 2 + 2 + 133 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4441670055729 + 3245769766404 = 2107527^2 + 1801602^2 .

It is not a de Polignac number, because 7687439822133 - 2⁸ = 7687439821877 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 (7687439822633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 427079990110 + ... + 427079990127.

Almost surely, 2^{7687439822133} is an apocalyptic number.

It is an amenable number.

7687439822133 is a deficient number, since it is larger than the sum of its proper divisors (3416639920961).

7687439822133 is a wasteful number, since it uses less digits than its factorization.

7687439822133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854159980243 (or 854159980240 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 7687439822133 in words is "seven trillion, six hundred eighty-seven billion, four hundred thirty-nine million, eight hundred twenty-two thousand, one hundred thirty-three".