1027866485 has 16 divisors (see below), whose sum is σ = 1241049600. Its totient is φ = 817237056.

The previous prime is 1027866457. The next prime is 1027866491. The reversal of 1027866485 is 5846687201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1027866485 is a prime.

It is a Curzon number.

It is a congruent number.

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, 815786 + ... + 817044.

It is an arithmetic number, because the mean of its divisors is an integer number (77565600).

Almost surely, 2^1027866485 is an apocalyptic number.

It is an amenable number.

1027866485 is a deficient number, since it is larger than the sum of its proper divisors (213183115).

1027866485 is a wasteful number, since it uses less digits than its factorization.

1027866485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 1027866485 is about 32060.3569069341. The cubic root of 1027866485 is about 1009.2038574520.

The spelling of 1027866485 in words is "one billion, twenty-seven million, eight hundred sixty-six thousand, four hundred eighty-five".