79200030061 has 12 divisors (see below), whose sum is σ = 81608223060. Its totient is φ = 76860875520.

The previous prime is 79200030053. The next prime is 79200030149. The reversal of 79200030061 is 16003000297.

It can be written as a sum of positive squares in 6 ways, for example, as 199685161 + 79000344900 = 14131^2 + 281070^2 .

It is not a de Polignac number, because 79200030061 - 2³ = 79200030053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79200010061) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 458181 + ... + 606901.

It is an arithmetic number, because the mean of its divisors is an integer number (6800685255).

Almost surely, 2^79200030061 is an apocalyptic number.

It is an amenable number.

79200030061 is a deficient number, since it is larger than the sum of its proper divisors (2408192999).

79200030061 is a wasteful number, since it uses less digits than its factorization.

79200030061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149184 (or 149147 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The spelling of 79200030061 in words is "seventy-nine billion, two hundred million, thirty thousand, sixty-one".