852126278872 has 32 divisors (see below), whose sum is σ = 1743054379920. Its totient is φ = 387314835840.

The previous prime is 852126278837. The next prime is 852126278879. The reversal of 852126278872 is 278872621258.

It is a happy number.

852126278872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×852126278872² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852126278879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222878 + ... + 2577874.

Almost surely, 2^852126278872 is an apocalyptic number.

It is an amenable number.

852126278872 is an abundant number, since it is smaller than the sum of its proper divisors (890928101048).

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

852126278872 is a wasteful number, since it uses less digits than its factorization.

852126278872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382291 (or 382287 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 58.

The spelling of 852126278872 in words is "eight hundred fifty-two billion, one hundred twenty-six million, two hundred seventy-eight thousand, eight hundred seventy-two".