5591397984786 has 24 divisors (see below), whose sum is σ = 12130827081984. Its totient is φ = 1861317567000.

The previous prime is 5591397984763. The next prime is 5591397984791. The reversal of 5591397984786 is 6874897931955.

5591397984786 is a `hidden beast` number, since 5 + 5 + 9 + 139 + 7 + 9 + 8 + 478 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206799546 + ... + 206826581.

It is an arithmetic number, because the mean of its divisors is an integer number (505451128416).

Almost surely, 2^{5591397984786} is an apocalyptic number.

5591397984786 is an abundant number, since it is smaller than the sum of its proper divisors (6539429097198).

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

5591397984786 is a wasteful number, since it uses less digits than its factorization.

5591397984786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413626886 (or 413626883 counting only the distinct ones).

The product of its digits is 4115059200, while the sum is 81.

The spelling of 5591397984786 in words is "five trillion, five hundred ninety-one billion, three hundred ninety-seven million, nine hundred eighty-four thousand, seven hundred eighty-six".