7700861538617 has 8 divisors (see below), whose sum is σ = 8293282563720. Its totient is φ = 7108447236480.

The previous prime is 7700861538613. The next prime is 7700861538619. The reversal of 7700861538617 is 7168351680077.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3302492060176 + 4398369478441 = 1817276^2 + 2097229^2 .

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 7700861538617 - 2² = 7700861538613 is a prime.

It is a super-3 number, since 3×7700861538617³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7700861538613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838109 + ... + 4012997.

It is an arithmetic number, because the mean of its divisors is an integer number (1036660320465).

Almost surely, 2^{7700861538617} is an apocalyptic number.

It is an amenable number.

7700861538617 is a deficient number, since it is larger than the sum of its proper divisors (592421025103).

7700861538617 is a wasteful number, since it uses less digits than its factorization.

7700861538617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361483.

The product of its (nonzero) digits is 11854080, while the sum is 59.

The spelling of 7700861538617 in words is "seven trillion, seven hundred billion, eight hundred sixty-one million, five hundred thirty-eight thousand, six hundred seventeen".