85458811528 has 16 divisors (see below), whose sum is σ = 160826549760. Its totient is φ = 42571731600.

The previous prime is 85458811489. The next prime is 85458811541. The reversal of 85458811528 is 82511885458.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19706968 + ... + 19711303.

It is an arithmetic number, because the mean of its divisors is an integer number (10051659360).

Almost surely, 2^85458811528 is an apocalyptic number.

It is an amenable number.

85458811528 is a deficient number, since it is larger than the sum of its proper divisors (75367738232).

85458811528 is a wasteful number, since it uses less digits than its factorization.

85458811528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39418548 (or 39418544 counting only the distinct ones).

The product of its digits is 4096000, while the sum is 55.

The spelling of 85458811528 in words is "eighty-five billion, four hundred fifty-eight million, eight hundred eleven thousand, five hundred twenty-eight".