127797399 has 8 divisors (see below), whose sum is σ = 189329520. Its totient is φ = 85198248.

The previous prime is 127797391. The next prime is 127797413. The reversal of 127797399 is 993797721.

It is a happy number.

It is not a de Polignac number, because 127797399 - 2³ = 127797391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127797391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2366592 + ... + 2366645.

It is an arithmetic number, because the mean of its divisors is an integer number (23666190).

Almost surely, 2^127797399 is an apocalyptic number.

127797399 is a deficient number, since it is larger than the sum of its proper divisors (61532121).

127797399 is an equidigital number, since it uses as much as digits as its factorization.

127797399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733246 (or 4733240 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 54.

The square root of 127797399 is about 11304.7511693093. The cubic root of 127797399 is about 503.7023823947.

The spelling of 127797399 in words is "one hundred twenty-seven million, seven hundred ninety-seven thousand, three hundred ninety-nine".