7766417028413 has 4 divisors (see below), whose sum is σ = 7767376682748. Its totient is φ = 7765457374080.

The previous prime is 7766417028407. The next prime is 7766417028479. The reversal of 7766417028413 is 3148207146677.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2868680663524 + 4897736364889 = 1693718^2 + 2213083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7766417028413 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 (7766417024413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479815028 + ... + 479831213.

It is an arithmetic number, because the mean of its divisors is an integer number (1941844170687).

Almost surely, 2^{7766417028413} is an apocalyptic number.

It is an amenable number.

7766417028413 is a deficient number, since it is larger than the sum of its proper divisors (959654335).

7766417028413 is an equidigital number, since it uses as much as digits as its factorization.

7766417028413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959654334.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 7766417028413 in words is "seven trillion, seven hundred sixty-six billion, four hundred seventeen million, twenty-eight thousand, four hundred thirteen".