985191768 has 64 divisors (see below), whose sum is σ = 2985436800. Its totient is φ = 298542240.

The previous prime is 985191763. The next prime is 985191827. The reversal of 985191768 is 867191589.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985191763) 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, 204946 + ... + 209697.

It is an arithmetic number, because the mean of its divisors is an integer number (46647450).

Almost surely, 2^985191768 is an apocalyptic number.

It is an amenable number.

985191768 is an abundant number, since it is smaller than the sum of its proper divisors (2000245032).

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

985191768 is a wasteful number, since it uses less digits than its factorization.

985191768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414669 (or 414659 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The square root of 985191768 is about 31387.7646225404. The cubic root of 985191768 is about 995.0393553619.

The spelling of 985191768 in words is "nine hundred eighty-five million, one hundred ninety-one thousand, seven hundred sixty-eight".