27500000086 has 12 divisors (see below), whose sum is σ = 44667160452. Its totient is φ = 12692307576.

The previous prime is 27500000083. The next prime is 27500000107. The reversal of 27500000086 is 68000000572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27500000083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40680136 + ... + 40680811.

It is an arithmetic number, because the mean of its divisors is an integer number (3722263371).

Almost surely, 2^27500000086 is an apocalyptic number.

27500000086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

27500000086 is a deficient number, since it is larger than the sum of its proper divisors (17167160366).

27500000086 is a wasteful number, since it uses less digits than its factorization.

27500000086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81360975 (or 81360962 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 27500000086 in words is "twenty-seven billion, five hundred million, eighty-six", and thus it is an aban number.