85648155372 has 144 divisors (see below), whose sum is σ = 241393850880. Its totient is φ = 25423372800.

The previous prime is 85648155361. The next prime is 85648155451. The reversal of 85648155372 is 27355184658.

85648155372 is a `hidden beast` number, since 8 + 5 + 6 + 4 + 81 + 553 + 7 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25255797 + ... + 25259187.

Almost surely, 2^85648155372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85648155372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120696925440).

85648155372 is an abundant number, since it is smaller than the sum of its proper divisors (155745695508).

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

85648155372 is a wasteful number, since it uses less digits than its factorization.

85648155372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304 (or 5299 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The spelling of 85648155372 in words is "eighty-five billion, six hundred forty-eight million, one hundred fifty-five thousand, three hundred seventy-two".