85578813626 has 8 divisors (see below), whose sum is σ = 128400591360. Its totient is φ = 42778616508.

The previous prime is 85578813611. The next prime is 85578813643. The reversal of 85578813626 is 62631887558.

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 5385236 + ... + 5401103.

It is an arithmetic number, because the mean of its divisors is an integer number (16050073920).

Almost surely, 2^85578813626 is an apocalyptic number.

85578813626 is a deficient number, since it is larger than the sum of its proper divisors (42821777734).

85578813626 is a wasteful number, since it uses less digits than its factorization.

85578813626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10790308.

The product of its digits is 19353600, while the sum is 59.

The spelling of 85578813626 in words is "eighty-five billion, five hundred seventy-eight million, eight hundred thirteen thousand, six hundred twenty-six".