82104288831 has 6 divisors (see below), whose sum is σ = 118595083880. Its totient is φ = 54736192548.

The previous prime is 82104288829. The next prime is 82104288863. The reversal of 82104288831 is 13888240128.

It is a happy number.

82104288831 is a `hidden beast` number, since 8 + 210 + 428 + 8 + 8 + 3 + 1 = 666.

It is not a de Polignac number, because 82104288831 - 2¹ = 82104288829 is a prime.

It is a super-2 number, since 2×82104288831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82104298831) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4561349371 + ... + 4561349388.

Almost surely, 2^82104288831 is an apocalyptic number.

82104288831 is a deficient number, since it is larger than the sum of its proper divisors (36490795049).

82104288831 is a wasteful number, since it uses less digits than its factorization.

82104288831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122698765 (or 9122698762 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The spelling of 82104288831 in words is "eighty-two billion, one hundred four million, two hundred eighty-eight thousand, eight hundred thirty-one".