27706139502 has 16 divisors (see below), whose sum is σ = 55702397952. Its totient is φ = 9187026680.

The previous prime is 27706139443. The next prime is 27706139537. The reversal of 27706139502 is 20593160772.

It is a super-2 number, since 2×27706139502² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12087048 + ... + 12089339.

It is an arithmetic number, because the mean of its divisors is an integer number (3481399872).

Almost surely, 2^27706139502 is an apocalyptic number.

27706139502 is an abundant number, since it is smaller than the sum of its proper divisors (27996258450).

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

27706139502 is a wasteful number, since it uses less digits than its factorization.

27706139502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24176583.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 27706139502 in words is "twenty-seven billion, seven hundred six million, one hundred thirty-nine thousand, five hundred two".