1027796999 has 6 divisors (see below), whose sum is σ = 1091812344. Its totient is φ = 967338080.

The previous prime is 1027796993. The next prime is 1027797007. The reversal of 1027796999 is 9996977201.

It is a de Polignac number, because none of the positive numbers 2^k-1027796999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027796993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1777907 + ... + 1778484.

It is an arithmetic number, because the mean of its divisors is an integer number (181968724).

Almost surely, 2^1027796999 is an apocalyptic number.

1027796999 is a deficient number, since it is larger than the sum of its proper divisors (64015345).

1027796999 is an equidigital number, since it uses as much as digits as its factorization.

1027796999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556425 (or 3556408 counting only the distinct ones).

The product of its (nonzero) digits is 3857868, while the sum is 59.

The square root of 1027796999 is about 32059.2732138456. The cubic root of 1027796999 is about 1009.1811154842.

The spelling of 1027796999 in words is "one billion, twenty-seven million, seven hundred ninety-six thousand, nine hundred ninety-nine".