85397625500 has 96 divisors (see below), whose sum is σ = 205146841536. Its totient is φ = 31053440000.

The previous prime is 85397625499. The next prime is 85397625541. The reversal of 85397625500 is 552679358.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601340 + ... + 729660.

It is an arithmetic number, because the mean of its divisors is an integer number (2136946266).

Almost surely, 2^85397625500 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 85397625500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102573420768).

85397625500 is an abundant number, since it is smaller than the sum of its proper divisors (119749216036).

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

85397625500 is a wasteful number, since it uses less digits than its factorization.

85397625500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128373 (or 128339 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 85397625500 in words is "eighty-five billion, three hundred ninety-seven million, six hundred twenty-five thousand, five hundred".