806505277422 has 64 divisors (see below), whose sum is σ = 1748864033280. Its totient is φ = 246476649600.

The previous prime is 806505277397. The next prime is 806505277429. The reversal of 806505277422 is 224772505608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806505277429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11414479 + ... + 11484917.

It is an arithmetic number, because the mean of its divisors is an integer number (27326000520).

Almost surely, 2^806505277422 is an apocalyptic number.

806505277422 is an abundant number, since it is smaller than the sum of its proper divisors (942358755858).

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

806505277422 is a wasteful number, since it uses less digits than its factorization.

806505277422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71449.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 806505277422 in words is "eight hundred six billion, five hundred five million, two hundred seventy-seven thousand, four hundred twenty-two".