1827872799 has 8 divisors (see below), whose sum is σ = 2437559040. Its totient is φ = 1218384216.

The previous prime is 1827872791. The next prime is 1827872803. The reversal of 1827872799 is 9972787281.

It is a happy number.

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

It is not a de Polignac number, because 1827872799 - 2³ = 1827872791 is a prime.

It is a super-2 number, since 2×1827872799² = 6682237938648188802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1827872791) 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, 26289 + ... + 65930.

It is an arithmetic number, because the mean of its divisors is an integer number (304694880).

Almost surely, 2^1827872799 is an apocalyptic number.

1827872799 is a deficient number, since it is larger than the sum of its proper divisors (609686241).

1827872799 is an equidigital number, since it uses as much as digits as its factorization.

1827872799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98829.

The product of its digits is 7112448, while the sum is 60.

The square root of 1827872799 is about 42753.6290740330. The cubic root of 1827872799 is about 1222.6870807407.

The spelling of 1827872799 in words is "one billion, eight hundred twenty-seven million, eight hundred seventy-two thousand, seven hundred ninety-nine".