797868903 has 16 divisors (see below), whose sum is σ = 1161356000. Its totient is φ = 484268544.

The previous prime is 797868899. The next prime is 797868923. The reversal of 797868903 is 309868797.

It is not a de Polignac number, because 797868903 - 2² = 797868899 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 (797868923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137278 + ... + 142971.

It is an arithmetic number, because the mean of its divisors is an integer number (72584750).

Almost surely, 2^797868903 is an apocalyptic number.

797868903 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

797868903 is a deficient number, since it is larger than the sum of its proper divisors (363487097).

797868903 is a wasteful number, since it uses less digits than its factorization.

797868903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280338.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 797868903 is about 28246.5732965965. The cubic root of 797868903 is about 927.4927273522.

The spelling of 797868903 in words is "seven hundred ninety-seven million, eight hundred sixty-eight thousand, nine hundred three".