85777443226 has 8 divisors (see below), whose sum is σ = 128667833460. Its totient is φ = 42888165408.

The previous prime is 85777443217. The next prime is 85777443251. The reversal of 85777443226 is 62234477758.

It can be written as a sum of positive squares in 2 ways, for example, as 84913377201 + 864066025 = 291399^2 + 29395^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46881 + ... + 416836.

Almost surely, 2^85777443226 is an apocalyptic number.

85777443226 is a deficient number, since it is larger than the sum of its proper divisors (42890390234).

85777443226 is a wasteful number, since it uses less digits than its factorization.

85777443226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556208.

The product of its digits is 15805440, while the sum is 55.

The spelling of 85777443226 in words is "eighty-five billion, seven hundred seventy-seven million, four hundred forty-three thousand, two hundred twenty-six".