82471088609091 has 24 divisors (see below), whose sum is σ = 146615268639840. Its totient is φ = 43501233551616.

The previous prime is 82471088609083. The next prime is 82471088609093. The reversal of 82471088609091 is 19090688017428.

82471088609091 is a `hidden beast` number, since 8 + 2 + 4 + 7 + 10 + 8 + 8 + 609 + 0 + 9 + 1 = 666.

It is not a de Polignac number, because 82471088609091 - 2³ = 82471088609083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (82471088609093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50348649126 + ... + 50348650763.

It is an arithmetic number, because the mean of its divisors is an integer number (6108969526660).

Almost surely, 2^{82471088609091} is an apocalyptic number.

82471088609091 is a deficient number, since it is larger than the sum of its proper divisors (64144180030749).

82471088609091 is a wasteful number, since it uses less digits than its factorization.

82471088609091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100697299915 (or 100697299912 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 82471088609091 in words is "eighty-two trillion, four hundred seventy-one billion, eighty-eight million, six hundred nine thousand, ninety-one".