7668623808 has 70 divisors (see below), whose sum is σ = 22732218696. Its totient is φ = 2556206208.

The previous prime is 7668623783. The next prime is 7668623813. The reversal of 7668623808 is 8083268667.

It is a happy number.

7668623808 is a `hidden beast` number, since 7 + 6 + 6 + 8 + 623 + 8 + 0 + 8 = 666.

It is a super-2 number, since 2×7668623808² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 734460 + ... + 744827.

Almost surely, 2^7668623808 is an apocalyptic number.

It is an amenable number.

7668623808 is an abundant number, since it is smaller than the sum of its proper divisors (15063594888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7668623808 is a wasteful number, since it uses less digits than its factorization.

7668623808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479311 (or 1479292 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 7668623808 is about 87570.6789285089. The cubic root of 7668623808 is about 1971.9950078527.

The spelling of 7668623808 in words is "seven billion, six hundred sixty-eight million, six hundred twenty-three thousand, eight hundred eight".