801422278872 has 64 divisors (see below), whose sum is σ = 2037775034880. Its totient is φ = 262616047872.

The previous prime is 801422278843. The next prime is 801422278883. The reversal of 801422278872 is 278872224108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844548 + ... + 1521875.

It is an arithmetic number, because the mean of its divisors is an integer number (31840234920).

Almost surely, 2^801422278872 is an apocalyptic number.

It is an amenable number.

801422278872 is an abundant number, since it is smaller than the sum of its proper divisors (1236352756008).

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

801422278872 is a wasteful number, since it uses less digits than its factorization.

801422278872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366672 (or 2366668 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 51.

The spelling of 801422278872 in words is "eight hundred one billion, four hundred twenty-two million, two hundred seventy-eight thousand, eight hundred seventy-two".