82451756826 has 24 divisors (see below), whose sum is σ = 180652729140. Its totient is φ = 27175110336.

The previous prime is 82451756813. The next prime is 82451756867. The reversal of 82451756826 is 62865715428.

82451756826 is a `hidden beast` number, since 8 + 2 + 4 + 51 + 7 + 568 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73359180801 + 9092576025 = 270849^2 + 95355^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25732405 + ... + 25735608.

Almost surely, 2^82451756826 is an apocalyptic number.

82451756826 is an abundant number, since it is smaller than the sum of its proper divisors (98200972314).

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

82451756826 is a wasteful number, since it uses less digits than its factorization.

82451756826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51468110 (or 51468107 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 82451756826 in words is "eighty-two billion, four hundred fifty-one million, seven hundred fifty-six thousand, eight hundred twenty-six".