27234894955 has 4 divisors (see below), whose sum is σ = 32681873952. Its totient is φ = 21787915960.

The previous prime is 27234894949. The next prime is 27234894959. The reversal of 27234894955 is 55949843272.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-27234894955 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27234894955.

It is not an unprimeable number, because it can be changed into a prime (27234894959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723489491 + ... + 2723489500.

It is an arithmetic number, because the mean of its divisors is an integer number (8170468488).

Almost surely, 2^27234894955 is an apocalyptic number.

27234894955 is a deficient number, since it is larger than the sum of its proper divisors (5446978997).

27234894955 is an equidigital number, since it uses as much as digits as its factorization.

27234894955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446978996.

The product of its digits is 21772800, while the sum is 58.

The spelling of 27234894955 in words is "twenty-seven billion, two hundred thirty-four million, eight hundred ninety-four thousand, nine hundred fifty-five".