27830402873 has 64 divisors (see below), whose sum is σ = 35541918720. Its totient is φ = 21210688512.

The previous prime is 27830402839. The next prime is 27830402911. The reversal of 27830402873 is 37820403872.

It is not a de Polignac number, because 27830402873 - 2¹⁴ = 27830386489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27830402273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87792911 + ... + 87793227.

It is an arithmetic number, because the mean of its divisors is an integer number (555342480).

Almost surely, 2^27830402873 is an apocalyptic number.

It is an amenable number.

27830402873 is a deficient number, since it is larger than the sum of its proper divisors (7711515847).

27830402873 is a wasteful number, since it uses less digits than its factorization.

27830402873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 451584, while the sum is 44.

Subtracting 27830402873 from its reverse (37820403872), we obtain a palindrome (9990000999).

The spelling of 27830402873 in words is "twenty-seven billion, eight hundred thirty million, four hundred two thousand, eight hundred seventy-three".