85145425788 has 48 divisors (see below), whose sum is σ = 208383565824. Its totient is φ = 27027178560.

The previous prime is 85145425763. The next prime is 85145425789. The reversal of 85145425788 is 88752454158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85145425789) 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, 2019228 + ... + 2060963.

It is an arithmetic number, because the mean of its divisors is an integer number (4341324288).

Almost surely, 2^85145425788 is an apocalyptic number.

It is an amenable number.

85145425788 is an abundant number, since it is smaller than the sum of its proper divisors (123238140036).

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

85145425788 is a wasteful number, since it uses less digits than its factorization.

85145425788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080282 (or 4080280 counting only the distinct ones).

The product of its digits is 14336000, while the sum is 57.

The spelling of 85145425788 in words is "eighty-five billion, one hundred forty-five million, four hundred twenty-five thousand, seven hundred eighty-eight".