1027680809 has 8 divisors (see below), whose sum is σ = 1057573440. Its totient is φ = 997899696.

The previous prime is 1027680791. The next prime is 1027680811. The reversal of 1027680809 is 9080867201.

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 1027680809 - 2¹⁶ = 1027615273 is a prime.

It is a super-2 number, since 2×1027680809² = 2112255690373788962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1027680839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8999 + ... + 46220.

It is an arithmetic number, because the mean of its divisors is an integer number (132196680).

Almost surely, 2^1027680809 is an apocalyptic number.

It is an amenable number.

1027680809 is a deficient number, since it is larger than the sum of its proper divisors (29892631).

1027680809 is an equidigital number, since it uses as much as digits as its factorization.

1027680809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55759.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1027680809 is about 32057.4610504325. The cubic root of 1027680809 is about 1009.1430855449.

The spelling of 1027680809 in words is "one billion, twenty-seven million, six hundred eighty thousand, eight hundred nine".