61078022783 has 2 divisors, whose sum is σ = 61078022784. Its totient is φ = 61078022782.

The previous prime is 61078022779. The next prime is 61078022809. The reversal of 61078022783 is 38722087016.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61078022783 - 2² = 61078022779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61078022713) 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, 30539011391 + 30539011392.

It is an arithmetic number, because the mean of its divisors is an integer number (30539011392).

Almost surely, 2^61078022783 is an apocalyptic number.

61078022783 is a deficient number, since it is larger than the sum of its proper divisors (1).

61078022783 is an equidigital number, since it uses as much as digits as its factorization.

61078022783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 61078022783 in words is "sixty-one billion, seventy-eight million, twenty-two thousand, seven hundred eighty-three".