7200159979 has 2 divisors, whose sum is σ = 7200159980. Its totient is φ = 7200159978.

The previous prime is 7200159977. The next prime is 7200159997. The reversal of 7200159979 is 9799510027.

Together with next prime (7200159997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (9799510027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7200159979 - 2¹ = 7200159977 is a prime.

Together with 7200159977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7200159973) 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, 3600079989 + 3600079990.

It is an arithmetic number, because the mean of its divisors is an integer number (3600079990).

Almost surely, 2^7200159979 is an apocalyptic number.

7200159979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7200159979 is an equidigital number, since it uses as much as digits as its factorization.

7200159979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 49.

The square root of 7200159979 is about 84853.7564224472. The cubic root of 7200159979 is about 1930.9930707744.

The spelling of 7200159979 in words is "seven billion, two hundred million, one hundred fifty-nine thousand, nine hundred seventy-nine".