985375889 has 16 divisors (see below), whose sum is σ = 1028505600. Its totient is φ = 943020480.

The previous prime is 985375861. The next prime is 985375907. The reversal of 985375889 is 988573589.

It is a cyclic number.

It is not a de Polignac number, because 985375889 - 2¹⁶ = 985310353 is a prime.

Its product of digits (21772800) is a multiple of the sum of its prime divisors (1120).

It is not an unprimeable number, because it can be changed into a prime (985375819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1768799 + ... + 1769355.

It is an arithmetic number, because the mean of its divisors is an integer number (64281600).

Almost surely, 2^985375889 is an apocalyptic number.

It is an amenable number.

985375889 is a deficient number, since it is larger than the sum of its proper divisors (43129711).

985375889 is a wasteful number, since it uses less digits than its factorization.

985375889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120.

The product of its digits is 21772800, while the sum is 62.

The square root of 985375889 is about 31390.6974914544. The cubic root of 985375889 is about 995.1013386344.

The spelling of 985375889 in words is "nine hundred eighty-five million, three hundred seventy-five thousand, eight hundred eighty-nine".