1027679808 has 56 divisors (see below), whose sum is σ = 2721896512. Its totient is φ = 342203904.

The previous prime is 1027679777. The next prime is 1027679837. The reversal of 1027679808 is 8089767201.

It is a super-2 number, since 2×1027679808² = 2112251575541833728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235341 + ... + 239667.

Almost surely, 2^1027679808 is an apocalyptic number.

It is an amenable number.

1027679808 is an abundant number, since it is smaller than the sum of its proper divisors (1694216704).

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

1027679808 is a wasteful number, since it uses less digits than its factorization.

1027679808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 1027679808 is about 32057.4454378386. The cubic root of 1027679808 is about 1009.1427578969.

It can be divided in two parts, 102767 and 9808, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 1027679808 in words is "one billion, twenty-seven million, six hundred seventy-nine thousand, eight hundred eight".