7626868681 has 8 divisors (see below), whose sum is σ = 7675129728. Its totient is φ = 7578750000.

The previous prime is 7626868673. The next prime is 7626868709. The reversal of 7626868681 is 1868686267.

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 7626868681 - 2³ = 7626868673 is a prime.

It is a super-2 number, since 2×7626868681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7624868681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72931 + ... + 143431.

It is an arithmetic number, because the mean of its divisors is an integer number (959391216).

Almost surely, 2^7626868681 is an apocalyptic number.

It is an amenable number.

7626868681 is a deficient number, since it is larger than the sum of its proper divisors (48261047).

7626868681 is a wasteful number, since it uses less digits than its factorization.

7626868681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71183.

The product of its digits is 9289728, while the sum is 58.

The square root of 7626868681 is about 87331.9453636526. The cubic root of 7626868681 is about 1968.4093665599.

The spelling of 7626868681 in words is "seven billion, six hundred twenty-six million, eight hundred sixty-eight thousand, six hundred eighty-one".