1797228479 has 4 divisors (see below), whose sum is σ = 1797329976. Its totient is φ = 1797126984.

The previous prime is 1797228437. The next prime is 1797228493. The reversal of 1797228479 is 9748227971.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1797228479 - 2¹⁶ = 1797162943 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 (1797228409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16469 + ... + 62174.

It is an arithmetic number, because the mean of its divisors is an integer number (449332494).

Almost surely, 2^1797228479 is an apocalyptic number.

1797228479 is a deficient number, since it is larger than the sum of its proper divisors (101497).

1797228479 is an equidigital number, since it uses as much as digits as its factorization.

1797228479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101496.

The product of its digits is 3556224, while the sum is 56.

The square root of 1797228479 is about 42393.7316003203. The cubic root of 1797228479 is about 1215.8157469034.

The spelling of 1797228479 in words is "one billion, seven hundred ninety-seven million, two hundred twenty-eight thousand, four hundred seventy-nine".