85574130620 has 72 divisors (see below), whose sum is σ = 199484014464. Its totient is φ = 30809680000.

The previous prime is 85574130557. The next prime is 85574130641. The reversal of 85574130620 is 2603147558.

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 23 ways as a sum of consecutive naturals, for example, 69365 + ... + 419475.

It is an arithmetic number, because the mean of its divisors is an integer number (2770611312).

Almost surely, 2^85574130620 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 85574130620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99742007232).

85574130620 is an abundant number, since it is smaller than the sum of its proper divisors (113909883844).

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

85574130620 is a wasteful number, since it uses less digits than its factorization.

85574130620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350243 (or 350230 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 85574130620 in words is "eighty-five billion, five hundred seventy-four million, one hundred thirty thousand, six hundred twenty".