7972179601 has 2 divisors, whose sum is σ = 7972179602. Its totient is φ = 7972179600.

The previous prime is 7972179587. The next prime is 7972179637. The reversal of 7972179601 is 1069712797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4095872001 + 3876307600 = 63999^2 + 62260^2 .

It is a cyclic number.

It is not a de Polignac number, because 7972179601 - 2¹³ = 7972171409 is a prime.

It is not a weakly prime, because it can be changed into another prime (7972179641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986089800 + 3986089801.

It is an arithmetic number, because the mean of its divisors is an integer number (3986089801).

Almost surely, 2^7972179601 is an apocalyptic number.

It is an amenable number.

7972179601 is a deficient number, since it is larger than the sum of its proper divisors (1).

7972179601 is an equidigital number, since it uses as much as digits as its factorization.

7972179601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 49.

The square root of 7972179601 is about 89287.0628982721. The cubic root of 7972179601 is about 1997.6789408008.

The spelling of 7972179601 in words is "seven billion, nine hundred seventy-two million, one hundred seventy-nine thousand, six hundred one".