61368465277 has 16 divisors (see below), whose sum is σ = 71005929984. Its totient is φ = 51952446000.

The previous prime is 61368465247. The next prime is 61368465283. The reversal of 61368465277 is 77256486316.

It is not a de Polignac number, because 61368465277 - 2¹¹ = 61368463229 is a prime.

It is a Duffinian number.

Its product of digits (10160640) is a multiple of the sum of its prime divisors (317520).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61368465247) 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, 34902 + ... + 352072.

It is an arithmetic number, because the mean of its divisors is an integer number (4437870624).

Almost surely, 2^61368465277 is an apocalyptic number.

It is an amenable number.

61368465277 is a deficient number, since it is larger than the sum of its proper divisors (9637464707).

61368465277 is a wasteful number, since it uses less digits than its factorization.

61368465277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317520.

The product of its digits is 10160640, while the sum is 55.

The spelling of 61368465277 in words is "sixty-one billion, three hundred sixty-eight million, four hundred sixty-five thousand, two hundred seventy-seven".