872580781422 has 48 divisors (see below), whose sum is σ = 2168649280512. Its totient is φ = 248388826320.

The previous prime is 872580781411. The next prime is 872580781439. The reversal of 872580781422 is 224187085278.

872580781422 is a `hidden beast` number, since 8 + 72 + 5 + 80 + 78 + 1 + 422 = 666.

It is a super-2 number, since 2×872580781422² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12743058 + ... + 12811349.

It is an arithmetic number, because the mean of its divisors is an integer number (45180193344).

Almost surely, 2^872580781422 is an apocalyptic number.

872580781422 is an abundant number, since it is smaller than the sum of its proper divisors (1296068499090).

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

872580781422 is a wasteful number, since it uses less digits than its factorization.

872580781422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25554693 (or 25554690 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 54.

The spelling of 872580781422 in words is "eight hundred seventy-two billion, five hundred eighty million, seven hundred eighty-one thousand, four hundred twenty-two".