7820113104677 has 4 divisors (see below), whose sum is σ = 7842520305900. Its totient is φ = 7797705903456.

The previous prime is 7820113104659. The next prime is 7820113104697. The reversal of 7820113104677 is 7764013110287.

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 3386902845316 + 4433210259361 = 1840354^2 + 2105519^2 .

It is a cyclic number.

It is not a de Polignac number, because 7820113104677 - 2¹⁰ = 7820113103653 is a prime.

It is a super-2 number, since 2×7820113104677² (a number of 27 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 (7820113104697) 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, 11203600088 + ... + 11203600785.

It is an arithmetic number, because the mean of its divisors is an integer number (1960630076475).

Almost surely, 2^{7820113104677} is an apocalyptic number.

It is an amenable number.

7820113104677 is a deficient number, since it is larger than the sum of its proper divisors (22407201223).

7820113104677 is a wasteful number, since it uses less digits than its factorization.

7820113104677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22407201222.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 7820113104677 in words is "seven trillion, eight hundred twenty billion, one hundred thirteen million, one hundred four thousand, six hundred seventy-seven".