27292438655 has 8 divisors (see below), whose sum is σ = 32751831600. Its totient is φ = 21833347456.

The previous prime is 27292438651. The next prime is 27292438661. The reversal of 27292438655 is 55683429272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27292438655 - 2² = 27292438651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27292438597 and 27292438606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27292438651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255716 + ... + 346374.

It is an arithmetic number, because the mean of its divisors is an integer number (4093978950).

Almost surely, 2^27292438655 is an apocalyptic number.

27292438655 is a deficient number, since it is larger than the sum of its proper divisors (5459392945).

27292438655 is an equidigital number, since it uses as much as digits as its factorization.

27292438655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150873.

The product of its digits is 7257600, while the sum is 53.

The spelling of 27292438655 in words is "twenty-seven billion, two hundred ninety-two million, four hundred thirty-eight thousand, six hundred fifty-five".