2085736983678 has 32 divisors (see below), whose sum is σ = 4635588575520. Its totient is φ = 695153036160.

The previous prime is 2085736983677. The next prime is 2085736983683. The reversal of 2085736983678 is 8763896375802.

It is a happy number.

2085736983678 is a `hidden beast` number, since 208 + 57 + 3 + 6 + 9 + 8 + 367 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085736983677) 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, 2163243 + ... + 2975078.

It is an arithmetic number, because the mean of its divisors is an integer number (144862142985).

Almost surely, 2^{2085736983678} is an apocalyptic number.

2085736983678 is an abundant number, since it is smaller than the sum of its proper divisors (2549851591842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2085736983678 is a wasteful number, since it uses less digits than its factorization.

2085736983678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145849 (or 5145843 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 72.

The spelling of 2085736983678 in words is "two trillion, eighty-five billion, seven hundred thirty-six million, nine hundred eighty-three thousand, six hundred seventy-eight".