60779643973 has 2 divisors, whose sum is σ = 60779643974. Its totient is φ = 60779643972.

The previous prime is 60779643971. The next prime is 60779644001. The reversal of 60779643973 is 37934697706.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60556350724 + 223293249 = 246082^2 + 14943^2 .

It is a cyclic number.

It is not a de Polignac number, because 60779643973 - 2¹ = 60779643971 is a prime.

Together with 60779643971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60779643971) 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, 30389821986 + 30389821987.

It is an arithmetic number, because the mean of its divisors is an integer number (30389821987).

Almost surely, 2^60779643973 is an apocalyptic number.

It is an amenable number.

60779643973 is a deficient number, since it is larger than the sum of its proper divisors (1).

60779643973 is an equidigital number, since it uses as much as digits as its factorization.

60779643973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36006768, while the sum is 61.

The spelling of 60779643973 in words is "sixty billion, seven hundred seventy-nine million, six hundred forty-three thousand, nine hundred seventy-three".