61705675611777 has 16 divisors (see below), whose sum is σ = 82318358384640. Its totient is φ = 41115059739600.

The previous prime is 61705675611773. The next prime is 61705675611793. The reversal of 61705675611777 is 77711657650716.

It is not a de Polignac number, because 61705675611777 - 2² = 61705675611773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61705675611773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51415924 + ... + 52602362.

It is an arithmetic number, because the mean of its divisors is an integer number (5144897399040).

Almost surely, 2^{61705675611777} is an apocalyptic number.

It is an amenable number.

61705675611777 is a deficient number, since it is larger than the sum of its proper divisors (20612682772863).

61705675611777 is a wasteful number, since it uses less digits than its factorization.

61705675611777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195724.

The product of its (nonzero) digits is 90757800, while the sum is 66.

The spelling of 61705675611777 in words is "sixty-one trillion, seven hundred five billion, six hundred seventy-five million, six hundred eleven thousand, seven hundred seventy-seven".