61755410797 has 2 divisors, whose sum is σ = 61755410798. Its totient is φ = 61755410796.

The previous prime is 61755410747. The next prime is 61755410831. The reversal of 61755410797 is 79701455716.

61755410797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46584315556 + 15171095241 = 215834^2 + 123171^2 .

It is a cyclic number.

It is not a de Polignac number, because 61755410797 - 2¹⁹ = 61754886509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61755410747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30877705398 + 30877705399.

It is an arithmetic number, because the mean of its divisors is an integer number (30877705399).

Almost surely, 2^61755410797 is an apocalyptic number.

It is an amenable number.

61755410797 is a deficient number, since it is larger than the sum of its proper divisors (1).

61755410797 is an equidigital number, since it uses as much as digits as its factorization.

61755410797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1852200, while the sum is 52.

The spelling of 61755410797 in words is "sixty-one billion, seven hundred fifty-five million, four hundred ten thousand, seven hundred ninety-seven".