82435442794 has 8 divisors (see below), whose sum is σ = 124787597220. Its totient is φ = 40839577056.

The previous prime is 82435442783. The next prime is 82435442797. The reversal of 82435442794 is 49724453428.

It can be written as a sum of positive squares in 2 ways, for example, as 71965037169 + 10470405625 = 268263^2 + 102325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (82435442797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189071899 + ... + 189072334.

Almost surely, 2^82435442794 is an apocalyptic number.

82435442794 is a deficient number, since it is larger than the sum of its proper divisors (42352154426).

82435442794 is a wasteful number, since it uses less digits than its factorization.

82435442794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378144344.

The product of its digits is 7741440, while the sum is 52.

The spelling of 82435442794 in words is "eighty-two billion, four hundred thirty-five million, four hundred forty-two thousand, seven hundred ninety-four".