7668045278 has 8 divisors (see below), whose sum is σ = 11502892920. Its totient is φ = 3833747640.

The previous prime is 7668045263. The next prime is 7668045283. The reversal of 7668045278 is 8725408667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100673 + ... + 159596.

It is an arithmetic number, because the mean of its divisors is an integer number (1437861615).

Almost surely, 2^7668045278 is an apocalyptic number.

7668045278 is a deficient number, since it is larger than the sum of its proper divisors (3834847642).

7668045278 is a wasteful number, since it uses less digits than its factorization.

7668045278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275002.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The square root of 7668045278 is about 87567.3756486969. The cubic root of 7668045278 is about 1971.9454167313.

The spelling of 7668045278 in words is "seven billion, six hundred sixty-eight million, forty-five thousand, two hundred seventy-eight".