27999182838 has 64 divisors (see below), whose sum is σ = 64333209600. Its totient is φ = 8034435360.

The previous prime is 27999182821. The next prime is 27999182851. The reversal of 27999182838 is 83828199972.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4188783 + ... + 4195461.

It is an arithmetic number, because the mean of its divisors is an integer number (1005206400).

Almost surely, 2^27999182838 is an apocalyptic number.

27999182838 is an abundant number, since it is smaller than the sum of its proper divisors (36334026762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27999182838 is a wasteful number, since it uses less digits than its factorization.

27999182838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057.

The product of its digits is 31352832, while the sum is 66.

The spelling of 27999182838 in words is "twenty-seven billion, nine hundred ninety-nine million, one hundred eighty-two thousand, eight hundred thirty-eight".