52852780278 has 24 divisors (see below), whose sum is σ = 115388517816. Its totient is φ = 17483107200.

The previous prime is 52852780249. The next prime is 52852780283. The reversal of 52852780278 is 87208725825.

It is a super-2 number, since 2×52852780278² (a number of 22 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 11204763 + ... + 11209478.

It is an arithmetic number, because the mean of its divisors is an integer number (4807854909).

Almost surely, 2^52852780278 is an apocalyptic number.

52852780278 is an abundant number, since it is smaller than the sum of its proper divisors (62535737538).

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

52852780278 is a wasteful number, since it uses less digits than its factorization.

52852780278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22414380 (or 22414377 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

The spelling of 52852780278 in words is "fifty-two billion, eight hundred fifty-two million, seven hundred eighty thousand, two hundred seventy-eight".