252886436806 has 4 divisors (see below), whose sum is σ = 379329655212. Its totient is φ = 126443218402.

The previous prime is 252886436771. The next prime is 252886436819. The reversal of 252886436806 is 608634688252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63221609200 + ... + 63221609203.

It is an arithmetic number, because the mean of its divisors is an integer number (94832413803).

Almost surely, 2^252886436806 is an apocalyptic number.

252886436806 is a deficient number, since it is larger than the sum of its proper divisors (126443218406).

252886436806 is a wasteful number, since it uses less digits than its factorization.

252886436806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126443218405.

The product of its (nonzero) digits is 26542080, while the sum is 58.

The spelling of 252886436806 in words is "two hundred fifty-two billion, eight hundred eighty-six million, four hundred thirty-six thousand, eight hundred six".