9897061158044 has 6 divisors (see below), whose sum is σ = 17319857026584. Its totient is φ = 4948530579020.

The previous prime is 9897061158029. The next prime is 9897061158077. The reversal of 9897061158044 is 4408511607989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1237132644752 + ... + 1237132644759.

It is an arithmetic number, because the mean of its divisors is an integer number (2886642837764).

Almost surely, 2^{9897061158044} is an apocalyptic number.

It is an amenable number.

9897061158044 is a deficient number, since it is larger than the sum of its proper divisors (7422795868540).

9897061158044 is a wasteful number, since it uses less digits than its factorization.

9897061158044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474265289515 (or 2474265289513 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 9897061158044 in words is "nine trillion, eight hundred ninety-seven billion, sixty-one million, one hundred fifty-eight thousand, forty-four".