85007472128 has 20 divisors (see below), whose sum is σ = 169848915060. Its totient is φ = 42503735808.

The previous prime is 85007472079. The next prime is 85007472133. The reversal of 85007472128 is 82127470058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83014598 + ... + 83015621.

It is an arithmetic number, because the mean of its divisors is an integer number (8492445753).

Almost surely, 2^85007472128 is an apocalyptic number.

It is an amenable number.

85007472128 is a deficient number, since it is larger than the sum of its proper divisors (84841442932).

85007472128 is an equidigital number, since it uses as much as digits as its factorization.

85007472128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166030237 (or 166030221 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 85007472128 in words is "eighty-five billion, seven million, four hundred seventy-two thousand, one hundred twenty-eight".