82435565405 has 8 divisors (see below), whose sum is σ = 98927557632. Its totient is φ = 65945199568.

The previous prime is 82435565341. The next prime is 82435565423. The reversal of 82435565405 is 50456553428.

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

It is a cyclic number.

It is not a de Polignac number, because 82435565405 - 2⁶ = 82435565341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82435565405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292157 + ... + 500226.

It is an arithmetic number, because the mean of its divisors is an integer number (12365944704).

Almost surely, 2^82435565405 is an apocalyptic number.

It is an amenable number.

82435565405 is a deficient number, since it is larger than the sum of its proper divisors (16491992227).

82435565405 is a wasteful number, since it uses less digits than its factorization.

82435565405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813195.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 82435565405 in words is "eighty-two billion, four hundred thirty-five million, five hundred sixty-five thousand, four hundred five".