927890985 has 16 divisors (see below), whose sum is σ = 1696715136. Its totient is φ = 424178688.

The previous prime is 927890933. The next prime is 927890993. The reversal of 927890985 is 589098729.

It is not a de Polignac number, because 927890985 - 2¹⁰ = 927889961 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4418424 + ... + 4418633.

It is an arithmetic number, because the mean of its divisors is an integer number (106044696).

Almost surely, 2^927890985 is an apocalyptic number.

It is an amenable number.

927890985 is a deficient number, since it is larger than the sum of its proper divisors (768824151).

927890985 is a wasteful number, since it uses less digits than its factorization.

927890985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8837072.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The square root of 927890985 is about 30461.3030745567. The cubic root of 927890985 is about 975.3615963194.

The spelling of 927890985 in words is "nine hundred twenty-seven million, eight hundred ninety thousand, nine hundred eighty-five".