7746868084781 has 12 divisors (see below), whose sum is σ = 9485960921280. Its totient is φ = 6290689872600.

The previous prime is 7746868084771. The next prime is 7746868084783. The reversal of 7746868084781 is 1874808686477.

It is not a de Polignac number, because 7746868084781 - 2²² = 7746863890477 is a prime.

It is a super-2 number, since 2×7746868084781² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7746868084699 and 7746868084708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7746868084783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4160508245 + ... + 4160510106.

It is an arithmetic number, because the mean of its divisors is an integer number (790496743440).

Almost surely, 2^{7746868084781} is an apocalyptic number.

It is an amenable number.

7746868084781 is a deficient number, since it is larger than the sum of its proper divisors (1739092836499).

7746868084781 is a wasteful number, since it uses less digits than its factorization.

7746868084781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321018384 (or 8321018377 counting only the distinct ones).

The product of its (nonzero) digits is 809238528, while the sum is 74.

The spelling of 7746868084781 in words is "seven trillion, seven hundred forty-six billion, eight hundred sixty-eight million, eighty-four thousand, seven hundred eighty-one".