1027799803 has 6 divisors (see below), whose sum is σ = 1051917284. Its totient is φ = 1003692144.

The previous prime is 1027799789. The next prime is 1027799809. The reversal of 1027799803 is 3089977201.

It is a happy number.

It is not a de Polignac number, because 1027799803 - 2⁹ = 1027799291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1027799809) 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, 207783 + ... + 212671.

Almost surely, 2^1027799803 is an apocalyptic number.

1027799803 is a deficient number, since it is larger than the sum of its proper divisors (24117481).

1027799803 is an frugal number, since it uses more digits than its factorization.

1027799803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9821 (or 4932 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 1027799803 is about 32059.3169453125. The cubic root of 1027799803 is about 1009.1820332210.

The spelling of 1027799803 in words is "one billion, twenty-seven million, seven hundred ninety-nine thousand, eight hundred three".