84491133503892 has 24 divisors (see below), whose sum is σ = 197146938710400. Its totient is φ = 28163573948736.

The previous prime is 84491133503869. The next prime is 84491133503969. The reversal of 84491133503892 is 29830533119448.

It is a congruent 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, 14571292 + ... + 19527027.

It is an arithmetic number, because the mean of its divisors is an integer number (8214455779600).

Almost surely, 2^{84491133503892} is an apocalyptic number.

It is an amenable number.

84491133503892 is an abundant number, since it is smaller than the sum of its proper divisors (112655805206508).

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

84491133503892 is a wasteful number, since it uses less digits than its factorization.

84491133503892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34304815 (or 34304813 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 84491133503892 in words is "eighty-four trillion, four hundred ninety-one billion, one hundred thirty-three million, five hundred three thousand, eight hundred ninety-two".