61677112717772 has 12 divisors (see below), whose sum is σ = 111656841989280. Its totient is φ = 29775157863696.

The previous prime is 61677112717771. The next prime is 61677112717819. The reversal of 61677112717772 is 27771721177616.

61677112717772 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61677112717771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265849623668 + ... + 265849623899.

It is an arithmetic number, because the mean of its divisors is an integer number (9304736832440).

Almost surely, 2^{61677112717772} is an apocalyptic number.

It is an amenable number.

61677112717772 is a deficient number, since it is larger than the sum of its proper divisors (49979729271508).

61677112717772 is a wasteful number, since it uses less digits than its factorization.

61677112717772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531699247600 (or 531699247598 counting only the distinct ones).

The product of its digits is 16941456, while the sum is 62.

The spelling of 61677112717772 in words is "sixty-one trillion, six hundred seventy-seven billion, one hundred twelve million, seven hundred seventeen thousand, seven hundred seventy-two".