9538890117078 has 32 divisors (see below), whose sum is σ = 22267074806784. Its totient is φ = 2667410001792.

The previous prime is 9538890117077. The next prime is 9538890117121. The reversal of 9538890117078 is 8707110988359.

9538890117078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9538890117077) 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, 2416130275 + ... + 2416134222.

It is an arithmetic number, because the mean of its divisors is an integer number (695846087712).

Almost surely, 2^{9538890117078} is an apocalyptic number.

9538890117078 is an abundant number, since it is smaller than the sum of its proper divisors (12728184689706).

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

9538890117078 is a wasteful number, since it uses less digits than its factorization.

9538890117078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832264556.

The product of its (nonzero) digits is 30481920, while the sum is 66.

The spelling of 9538890117078 in words is "nine trillion, five hundred thirty-eight billion, eight hundred ninety million, one hundred seventeen thousand, seventy-eight".