985538928545 has 8 divisors (see below), whose sum is σ = 1182657520896. Its totient is φ = 788423938416.

The previous prime is 985538928529. The next prime is 985538928547. The reversal of 985538928545 is 545829835589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985538928545 - 2⁴ = 985538928529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985538928547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256817 + ... + 1427246.

It is an arithmetic number, because the mean of its divisors is an integer number (147832190112).

Almost surely, 2^985538928545 is an apocalyptic number.

It is an amenable number.

985538928545 is a deficient number, since it is larger than the sum of its proper divisors (197118592351).

985538928545 is a wasteful number, since it uses less digits than its factorization.

985538928545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801111.

The product of its digits is 622080000, while the sum is 71.

The spelling of 985538928545 in words is "nine hundred eighty-five billion, five hundred thirty-eight million, nine hundred twenty-eight thousand, five hundred forty-five".