252802778005 has 8 divisors (see below), whose sum is σ = 303417840600. Its totient is φ = 202205884416.

The previous prime is 252802778003. The next prime is 252802778021. The reversal of 252802778005 is 500877208252.

252802778005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8665003396 + 244137774609 = 93086^2 + 494103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252802778005 - 2¹ = 252802778003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252802778003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4511620 + ... + 4567309.

It is an arithmetic number, because the mean of its divisors is an integer number (37927230075).

Almost surely, 2^252802778005 is an apocalyptic number.

It is an amenable number.

252802778005 is a deficient number, since it is larger than the sum of its proper divisors (50615062595).

252802778005 is an equidigital number, since it uses as much as digits as its factorization.

252802778005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084503.

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 252802778005 in words is "two hundred fifty-two billion, eight hundred two million, seven hundred seventy-eight thousand, five".