85558976580 has 576 divisors, whose sum is σ = 309226659840. Its totient is φ = 17297280000.

The previous prime is 85558976543. The next prime is 85558976593. The reversal of 85558976580 is 8567985558.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 405492675 + ... + 405492885.

It is an arithmetic number, because the mean of its divisors is an integer number (536851840).

Almost surely, 2^85558976580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85558976580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154613329920).

85558976580 is an abundant number, since it is smaller than the sum of its proper divisors (223667683260).

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

85558976580 is a wasteful number, since it uses less digits than its factorization.

85558976580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 120960000, while the sum is 66.

The spelling of 85558976580 in words is "eighty-five billion, five hundred fifty-eight million, nine hundred seventy-six thousand, five hundred eighty".