611701689707 has 2 divisors, whose sum is σ = 611701689708. Its totient is φ = 611701689706.

The previous prime is 611701689679. The next prime is 611701689721. The reversal of 611701689707 is 707986107116.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611701689707 - 2⁸ = 611701689451 is a prime.

It is not a weakly prime, because it can be changed into another prime (611701689757) 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, 305850844853 + 305850844854.

It is an arithmetic number, because the mean of its divisors is an integer number (305850844854).

Almost surely, 2^611701689707 is an apocalyptic number.

611701689707 is a deficient number, since it is larger than the sum of its proper divisors (1).

611701689707 is an equidigital number, since it uses as much as digits as its factorization.

611701689707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 53.

The spelling of 611701689707 in words is "six hundred eleven billion, seven hundred one million, six hundred eighty-nine thousand, seven hundred seven".