11897830382 has 8 divisors (see below), whose sum is σ = 18061766856. Its totient is φ = 5877241432.

The previous prime is 11897830309. The next prime is 11897830403. The reversal of 11897830382 is 28303879811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11897830382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35836673 + ... + 35837004.

It is an arithmetic number, because the mean of its divisors is an integer number (2257720857).

Almost surely, 2^11897830382 is an apocalyptic number.

11897830382 is a deficient number, since it is larger than the sum of its proper divisors (6163936474).

11897830382 is an equidigital number, since it uses as much as digits as its factorization.

11897830382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71673762.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 11897830382 in words is "eleven billion, eight hundred ninety-seven million, eight hundred thirty thousand, three hundred eighty-two".