27800102 has 16 divisors (see below), whose sum is σ = 46550592. Its totient is φ = 12342120.

The previous prime is 27800099. The next prime is 27800107. The reversal of 27800102 is 20100872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27800107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13748 + ... + 15639.

It is an arithmetic number, because the mean of its divisors is an integer number (2909412).

Almost surely, 2^27800102 is an apocalyptic number.

27800102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27800102 is a deficient number, since it is larger than the sum of its proper divisors (18750490).

27800102 is a wasteful number, since it uses less digits than its factorization.

27800102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29443.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 27800102 is about 5272.5802032781. The cubic root of 27800102 is about 302.9345420218.

Adding to 27800102 its reverse (20100872), we get a palindrome (47900974).

The spelling of 27800102 in words is "twenty-seven million, eight hundred thousand, one hundred two".