27802282487 has 16 divisors (see below), whose sum is σ = 32522299392. Its totient is φ = 23269649760.

The previous prime is 27802282483. The next prime is 27802282489. The reversal of 27802282487 is 78428220872.

It is not a de Polignac number, because 27802282487 - 2² = 27802282483 is a prime.

It is a super-2 number, since 2×27802282487² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27802282483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231037 + ... + 1253417.

It is an arithmetic number, because the mean of its divisors is an integer number (2032643712).

Almost surely, 2^27802282487 is an apocalyptic number.

27802282487 is a deficient number, since it is larger than the sum of its proper divisors (4720016905).

27802282487 is a wasteful number, since it uses less digits than its factorization.

27802282487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26558.

The product of its (nonzero) digits is 1605632, while the sum is 50.

The spelling of 27802282487 in words is "twenty-seven billion, eight hundred two million, two hundred eighty-two thousand, four hundred eighty-seven".