2087826806 has 8 divisors (see below), whose sum is σ = 3372643344. Its totient is φ = 963612360.

The previous prime is 2087826757. The next prime is 2087826857. The reversal of 2087826806 is 6086287802.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40150490 + ... + 40150541.

It is an arithmetic number, because the mean of its divisors is an integer number (421580418).

Almost surely, 2^2087826806 is an apocalyptic number.

2087826806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2087826806 is a deficient number, since it is larger than the sum of its proper divisors (1284816538).

2087826806 is a wasteful number, since it uses less digits than its factorization.

2087826806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80301046.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 2087826806 is about 45692.7434720219. The cubic root of 2087826806 is about 1278.0999654042.

The spelling of 2087826806 in words is "two billion, eighty-seven million, eight hundred twenty-six thousand, eight hundred six".