7558680868557 has 32 divisors (see below), whose sum is σ = 12404154024192. Its totient is φ = 3986943496704.

The previous prime is 7558680868537. The next prime is 7558680868573.

7558680868557 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7558680868557 - 2¹² = 7558680864461 is a prime.

It is a super-2 number, since 2×7558680868557² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7558680868537) 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 31 ways as a sum of consecutive naturals, for example, 28642033 + ... + 28904729.

It is an arithmetic number, because the mean of its divisors is an integer number (387629813256).

Almost surely, 2^{7558680868557} is an apocalyptic number.

It is an amenable number.

7558680868557 is a deficient number, since it is larger than the sum of its proper divisors (4845473155635).

7558680868557 is a wasteful number, since it uses less digits than its factorization.

7558680868557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368117.

The product of its (nonzero) digits is 4515840000, while the sum is 78.

The spelling of 7558680868557 in words is "seven trillion, five hundred fifty-eight billion, six hundred eighty million, eight hundred sixty-eight thousand, five hundred fifty-seven".