1804052087 has 8 divisors (see below), whose sum is σ = 1910551536. Its totient is φ = 1697594752.

The previous prime is 1804052077. The next prime is 1804052093. The reversal of 1804052087 is 7802504081.

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

It is a cyclic number.

It is not a de Polignac number, because 1804052087 - 2⁸ = 1804051831 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 (1804052077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136253 + ... + 148905.

It is an arithmetic number, because the mean of its divisors is an integer number (238818942).

Almost surely, 2^1804052087 is an apocalyptic number.

1804052087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1804052087 is a deficient number, since it is larger than the sum of its proper divisors (106499449).

1804052087 is a wasteful number, since it uses less digits than its factorization.

1804052087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21057.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 1804052087 is about 42474.1343290243. The cubic root of 1804052087 is about 1217.3525154479.

The spelling of 1804052087 in words is "one billion, eight hundred four million, fifty-two thousand, eighty-seven".