9891027082436 has 24 divisors (see below), whose sum is σ = 17867880871680. Its totient is φ = 4785922173600.

The previous prime is 9891027082423. The next prime is 9891027082487. The reversal of 9891027082436 is 6342807201989.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10693775 + ... + 11581833.

It is an arithmetic number, because the mean of its divisors is an integer number (744495036320).

Almost surely, 2^{9891027082436} is an apocalyptic number.

It is an amenable number.

9891027082436 is a deficient number, since it is larger than the sum of its proper divisors (7976853789244).

9891027082436 is a wasteful number, since it uses less digits than its factorization.

9891027082436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977915 (or 977913 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 9891027082436 in words is "nine trillion, eight hundred ninety-one billion, twenty-seven million, eighty-two thousand, four hundred thirty-six".