85558552861078 has 8 divisors (see below), whose sum is σ = 140004904681800. Its totient is φ = 38890251300480.

The previous prime is 85558552861021. The next prime is 85558552861099. The reversal of 85558552861078 is 87016825585558.

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

It is a self number, because there is not a number n which added to its sum of digits gives 85558552861078.

It is a congruent number.

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, 1944512565003 + ... + 1944512565046.

It is an arithmetic number, because the mean of its divisors is an integer number (17500613085225).

Almost surely, 2^{85558552861078} is an apocalyptic number.

85558552861078 is a deficient number, since it is larger than the sum of its proper divisors (54446351820722).

85558552861078 is a wasteful number, since it uses less digits than its factorization.

85558552861078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889025130062.

The product of its (nonzero) digits is 1075200000, while the sum is 73.

The spelling of 85558552861078 in words is "eighty-five trillion, five hundred fifty-eight billion, five hundred fifty-two million, eight hundred sixty-one thousand, seventy-eight".