61077683273 has 2 divisors, whose sum is σ = 61077683274. Its totient is φ = 61077683272.

The previous prime is 61077683263. The next prime is 61077683287. The reversal of 61077683273 is 37238677016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38515240009 + 22562443264 = 196253^2 + 150208^2 .

It is a cyclic number.

It is not a de Polignac number, because 61077683273 - 2¹⁶ = 61077617737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (61077683263) 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 as a sum of consecutive naturals, namely, 30538841636 + 30538841637.

It is an arithmetic number, because the mean of its divisors is an integer number (30538841637).

Almost surely, 2^61077683273 is an apocalyptic number.

It is an amenable number.

61077683273 is a deficient number, since it is larger than the sum of its proper divisors (1).

61077683273 is an equidigital number, since it uses as much as digits as its factorization.

61077683273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 61077683273 in words is "sixty-one billion, seventy-seven million, six hundred eighty-three thousand, two hundred seventy-three".