7872924667 has 2 divisors, whose sum is σ = 7872924668. Its totient is φ = 7872924666.

The previous prime is 7872924643. The next prime is 7872924707. The reversal of 7872924667 is 7664292787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7872924667 - 2¹¹ = 7872922619 is a prime.

It is not a weakly prime, because it can be changed into another prime (7872924967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3936462333 + 3936462334.

It is an arithmetic number, because the mean of its divisors is an integer number (3936462334).

Almost surely, 2^7872924667 is an apocalyptic number.

7872924667 is a deficient number, since it is larger than the sum of its proper divisors (1).

7872924667 is an equidigital number, since it uses as much as digits as its factorization.

7872924667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14224896, while the sum is 58.

The square root of 7872924667 is about 88729.5027992381. The cubic root of 7872924667 is about 1989.3538188847.

The spelling of 7872924667 in words is "seven billion, eight hundred seventy-two million, nine hundred twenty-four thousand, six hundred sixty-seven".