85291784754 has 64 divisors (see below), whose sum is σ = 196985226240. Its totient is φ = 24374387520.

The previous prime is 85291784731. The next prime is 85291784791. The reversal of 85291784754 is 45748719258.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435862 + ... + 600465.

It is an arithmetic number, because the mean of its divisors is an integer number (3077894160).

Almost surely, 2^85291784754 is an apocalyptic number.

85291784754 is an abundant number, since it is smaller than the sum of its proper divisors (111693441486).

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

85291784754 is a wasteful number, since it uses less digits than its factorization.

85291784754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036415.

The product of its digits is 22579200, while the sum is 60.

The spelling of 85291784754 in words is "eighty-five billion, two hundred ninety-one million, seven hundred eighty-four thousand, seven hundred fifty-four".