85294113520 has 160 divisors (see below), whose sum is σ = 247635864576. Its totient is φ = 26542848000.

The previous prime is 85294113503. The next prime is 85294113521. The reversal of 85294113520 is 2531149258.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85294113521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3974820 + ... + 3996220.

Almost surely, 2^85294113520 is an apocalyptic number.

85294113520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85294113520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123817932288).

85294113520 is an abundant number, since it is smaller than the sum of its proper divisors (162341751056).

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

85294113520 is a wasteful number, since it uses less digits than its factorization.

85294113520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22079 (or 22073 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 85294113520 in words is "eighty-five billion, two hundred ninety-four million, one hundred thirteen thousand, five hundred twenty".