85374769380 has 72 divisors (see below), whose sum is σ = 240585827328. Its totient is φ = 22621203072.

The previous prime is 85374769349. The next prime is 85374769393. The reversal of 85374769380 is 8396747358.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 23 ways as a sum of consecutive naturals, for example, 1450077 + ... + 1507803.

It is an arithmetic number, because the mean of its divisors is an integer number (3341469824).

Almost surely, 2^85374769380 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 85374769380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120292913664).

85374769380 is an abundant number, since it is smaller than the sum of its proper divisors (155211057948).

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

85374769380 is a wasteful number, since it uses less digits than its factorization.

85374769380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58053 (or 57894 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 85374769380 in words is "eighty-five billion, three hundred seventy-four million, seven hundred sixty-nine thousand, three hundred eighty".