1827899995 has 12 divisors (see below), whose sum is σ = 2205863280. Its totient is φ = 1454110560.

The previous prime is 1827899989. The next prime is 1827900013. The reversal of 1827899995 is 5999987281.

It is not a de Polignac number, because 1827899995 - 2¹¹ = 1827897947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1827899995.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158226 + ... + 169384.

It is an arithmetic number, because the mean of its divisors is an integer number (183821940).

Almost surely, 2^1827899995 is an apocalyptic number.

1827899995 is a deficient number, since it is larger than the sum of its proper divisors (377963285).

1827899995 is an equidigital number, since it uses as much as digits as its factorization.

1827899995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526 (or 11345 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 67.

The square root of 1827899995 is about 42753.9471277214. The cubic root of 1827899995 is about 1222.6931446260.

The spelling of 1827899995 in words is "one billion, eight hundred twenty-seven million, eight hundred ninety-nine thousand, nine hundred ninety-five".