27127255725 has 96 divisors (see below), whose sum is σ = 52833939840. Its totient is φ = 13599083520.

The previous prime is 27127255709. The next prime is 27127255741. The reversal of 27127255725 is 52755272172.

It is a happy number.

27127255725 is a `hidden beast` number, since 2 + 7 + 1 + 2 + 72 + 5 + 572 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (27127255709) and next prime (27127255741).

It is not a de Polignac number, because 27127255725 - 2⁴ = 27127255709 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16672362 + ... + 16673988.

It is an arithmetic number, because the mean of its divisors is an integer number (550353540).

Almost surely, 2^27127255725 is an apocalyptic number.

27127255725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27127255725 is a deficient number, since it is larger than the sum of its proper divisors (25706684115).

27127255725 is a wasteful number, since it uses less digits than its factorization.

27127255725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 3105 counting only the distinct ones).

The product of its digits is 686000, while the sum is 45.

The spelling of 27127255725 in words is "twenty-seven billion, one hundred twenty-seven million, two hundred fifty-five thousand, seven hundred twenty-five".