85747125018 has 32 divisors (see below), whose sum is σ = 175286358720. Its totient is φ = 27955276160.

The previous prime is 85747124929. The next prime is 85747125019. The reversal of 85747125018 is 81052174758.

It is not an unprimeable number, because it can be changed into a prime (85747125019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545043 + ... + 684518.

It is an arithmetic number, because the mean of its divisors is an integer number (5477698710).

Almost surely, 2^85747125018 is an apocalyptic number.

85747125018 is an abundant number, since it is smaller than the sum of its proper divisors (89539233702).

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

85747125018 is a wasteful number, since it uses less digits than its factorization.

85747125018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229822.

The product of its (nonzero) digits is 627200, while the sum is 48.

The spelling of 85747125018 in words is "eighty-five billion, seven hundred forty-seven million, one hundred twenty-five thousand, eighteen".