49786666668888 has 256 divisors, whose sum is σ = 141916343500800. Its totient is φ = 14487280980480.

The previous prime is 49786666668877. The next prime is 49786666668899. The reversal of 49786666668888 is 88886666668794.

It is an interprime number because it is at equal distance from previous prime (49786666668877) and next prime (49786666668899).

It is a junction number, because it is equal to n+sod(n) for n = 49786666668795 and 49786666668804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20172081 + ... + 22505247.

It is an arithmetic number, because the mean of its divisors is an integer number (554360716800).

Almost surely, 2^{49786666668888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49786666668888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70958171750400).

49786666668888 is an abundant number, since it is smaller than the sum of its proper divisors (92129676831912).

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

49786666668888 is a wasteful number, since it uses less digits than its factorization.

49786666668888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333302 (or 2333298 counting only the distinct ones).

The product of its digits is 385263599616, while the sum is 96.

The spelling of 49786666668888 in words is "forty-nine trillion, seven hundred eighty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, eight hundred eighty-eight".