985399205375 has 32 divisors (see below), whose sum is σ = 1324540945728. Its totient is φ = 727589078400.

The previous prime is 985399205359. The next prime is 985399205381. The reversal of 985399205375 is 573502993589.

It is not a de Polignac number, because 985399205375 - 2⁴ = 985399205359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14873072 + ... + 14939178.

It is an arithmetic number, because the mean of its divisors is an integer number (41391904554).

Almost surely, 2^985399205375 is an apocalyptic number.

985399205375 is a deficient number, since it is larger than the sum of its proper divisors (339141740353).

985399205375 is a wasteful number, since it uses less digits than its factorization.

985399205375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75308 (or 75298 counting only the distinct ones).

The product of its (nonzero) digits is 91854000, while the sum is 65.

The spelling of 985399205375 in words is "nine hundred eighty-five billion, three hundred ninety-nine million, two hundred five thousand, three hundred seventy-five".