27378485 has 4 divisors (see below), whose sum is σ = 32854188. Its totient is φ = 21902784.

The previous prime is 27378479. The next prime is 27378499. The reversal of 27378485 is 58487372.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17631601 + 9746884 = 4199^2 + 3122^2 .

It is a cyclic number.

It is not a de Polignac number, because 27378485 - 2²⁰ = 26329909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737844 + ... + 2737853.

It is an arithmetic number, because the mean of its divisors is an integer number (8213547).

Almost surely, 2^27378485 is an apocalyptic number.

It is an amenable number.

27378485 is a deficient number, since it is larger than the sum of its proper divisors (5475703).

27378485 is an equidigital number, since it uses as much as digits as its factorization.

27378485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475702.

The product of its digits is 376320, while the sum is 44.

The square root of 27378485 is about 5232.4454129976. The cubic root of 27378485 is about 301.3952967256.

The spelling of 27378485 in words is "twenty-seven million, three hundred seventy-eight thousand, four hundred eighty-five".