27802123106 has 8 divisors (see below), whose sum is σ = 41709345984. Its totient is φ = 13899007780.

The previous prime is 27802123091. The next prime is 27802123109. The reversal of 27802123106 is 60132120872.

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

It is not an unprimeable number, because it can be changed into a prime (27802123109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009910 + ... + 1037073.

It is an arithmetic number, because the mean of its divisors is an integer number (5213668248).

Almost surely, 2^27802123106 is an apocalyptic number.

27802123106 is a deficient number, since it is larger than the sum of its proper divisors (13907222878).

27802123106 is a wasteful number, since it uses less digits than its factorization.

27802123106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053776.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 27802123106 its reverse (60132120872), we get a palindrome (87934243978).

The spelling of 27802123106 in words is "twenty-seven billion, eight hundred two million, one hundred twenty-three thousand, one hundred six".