60879617209 has 2 divisors, whose sum is σ = 60879617210. Its totient is φ = 60879617208.

The previous prime is 60879617177. The next prime is 60879617243. The reversal of 60879617209 is 90271697806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60142657600 + 736959609 = 245240^2 + 27147^2 .

It is a cyclic number.

It is not a de Polignac number, because 60879617209 - 2⁵ = 60879617177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60879617209.

It is not a weakly prime, because it can be changed into another prime (60879627209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30439808604 + 30439808605.

It is an arithmetic number, because the mean of its divisors is an integer number (30439808605).

Almost surely, 2^60879617209 is an apocalyptic number.

It is an amenable number.

60879617209 is a deficient number, since it is larger than the sum of its proper divisors (1).

60879617209 is an equidigital number, since it uses as much as digits as its factorization.

60879617209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 60879617209 in words is "sixty billion, eight hundred seventy-nine million, six hundred seventeen thousand, two hundred nine".