1797747996 has 24 divisors (see below), whose sum is σ = 4576086144. Its totient is φ = 544772080.

The previous prime is 1797747983. The next prime is 1797748003. The reversal of 1797747996 is 6997477971.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6809520 + ... + 6809783.

It is an arithmetic number, because the mean of its divisors is an integer number (190670256).

Almost surely, 2^1797747996 is an apocalyptic number.

It is an amenable number.

1797747996 is an abundant number, since it is smaller than the sum of its proper divisors (2778338148).

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

1797747996 is a wasteful number, since it uses less digits than its factorization.

1797747996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13619321 (or 13619319 counting only the distinct ones).

The product of its digits is 42007896, while the sum is 66.

The square root of 1797747996 is about 42399.8584431599. The cubic root of 1797747996 is about 1215.9328858027.

The spelling of 1797747996 in words is "one billion, seven hundred ninety-seven million, seven hundred forty-seven thousand, nine hundred ninety-six".