27086434123 has 16 divisors (see below), whose sum is σ = 31663226880. Its totient is φ = 22687988256.

The previous prime is 27086434121. The next prime is 27086434153. The reversal of 27086434123 is 32143468072.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27086434123 - 2¹ = 27086434121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27086434121) 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, 151798 + ... + 277876.

It is an arithmetic number, because the mean of its divisors is an integer number (1978951680).

Almost surely, 2^27086434123 is an apocalyptic number.

27086434123 is a deficient number, since it is larger than the sum of its proper divisors (4576792757).

27086434123 is a wasteful number, since it uses less digits than its factorization.

27086434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126786.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 27086434123 in words is "twenty-seven billion, eighty-six million, four hundred thirty-four thousand, one hundred twenty-three".