27500000002 has 16 divisors (see below), whose sum is σ = 43438380480. Its totient is φ = 13031509392.

The previous prime is 27499999993. The next prime is 27500000009. The reversal of 27500000002 is 20000000572.

It is a happy number.

It is a super-2 number, since 2×27500000002² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27500000009) 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, 2737308 + ... + 2747335.

It is an arithmetic number, because the mean of its divisors is an integer number (2714898780).

Almost surely, 2^27500000002 is an apocalyptic number.

27500000002 is a deficient number, since it is larger than the sum of its proper divisors (15938380478).

27500000002 is a wasteful number, since it uses less digits than its factorization.

27500000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484777.

The product of its (nonzero) digits is 140, while the sum is 16.

Adding to 27500000002 its reverse (20000000572), we get a palindrome (47500000574).

The spelling of 27500000002 in words is "twenty-seven billion, five hundred million, two", and thus it is an aban number.