61607056799 has 2 divisors, whose sum is σ = 61607056800. Its totient is φ = 61607056798.

The previous prime is 61607056747. The next prime is 61607056813. The reversal of 61607056799 is 99765070616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61607056799 - 2⁸ = 61607056543 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61607056499) 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, 30803528399 + 30803528400.

It is an arithmetic number, because the mean of its divisors is an integer number (30803528400).

Almost surely, 2^61607056799 is an apocalyptic number.

61607056799 is a deficient number, since it is larger than the sum of its proper divisors (1).

61607056799 is an equidigital number, since it uses as much as digits as its factorization.

61607056799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The spelling of 61607056799 in words is "sixty-one billion, six hundred seven million, fifty-six thousand, seven hundred ninety-nine".