27247898100 has 144 divisors (see below), whose sum is σ = 83794081280. Its totient is φ = 6816700800.

The previous prime is 27247898063. The next prime is 27247898101. The reversal of 27247898100 is 189874272.

It is a super-2 number, since 2×27247898100² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27247898100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27247898101) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 563895 + ... + 610305.

Almost surely, 2^27247898100 is an apocalyptic number.

27247898100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27247898100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41897040640).

27247898100 is an abundant number, since it is smaller than the sum of its proper divisors (56546183180).

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

27247898100 is a wasteful number, since it uses less digits than its factorization.

27247898100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46550 (or 46543 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 27247898100 in words is "twenty-seven billion, two hundred forty-seven million, eight hundred ninety-eight thousand, one hundred".