422606878776 has 192 divisors, whose sum is σ = 1211055300000. Its totient is φ = 132763926528.

The previous prime is 422606878751. The next prime is 422606878777. The reversal of 422606878776 is 677878606224.

422606878776 is a `hidden beast` number, since 422 + 6 + 0 + 68 + 7 + 87 + 76 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422606878777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 402865900 + ... + 402866948.

Almost surely, 2^422606878776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422606878776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605527650000).

422606878776 is an abundant number, since it is smaller than the sum of its proper divisors (788448421224).

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

422606878776 is a wasteful number, since it uses less digits than its factorization.

422606878776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 422606878776 in words is "four hundred twenty-two billion, six hundred six million, eight hundred seventy-eight thousand, seven hundred seventy-six".