252552752778 has 16 divisors (see below), whose sum is σ = 505536865056. Its totient is φ = 84112357680.

The previous prime is 252552752761. The next prime is 252552752801. The reversal of 252552752778 is 877257255252.

252552752778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 17965701 + ... + 17979752.

It is an arithmetic number, because the mean of its divisors is an integer number (31596054066).

Almost surely, 2^252552752778 is an apocalyptic number.

252552752778 is an abundant number, since it is smaller than the sum of its proper divisors (252984112278).

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

252552752778 is a wasteful number, since it uses less digits than its factorization.

252552752778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35946629.

The product of its digits is 27440000, while the sum is 57.

The spelling of 252552752778 in words is "two hundred fifty-two billion, five hundred fifty-two million, seven hundred fifty-two thousand, seven hundred seventy-eight".