27780230 has 8 divisors (see below), whose sum is σ = 50004432. Its totient is φ = 11112088.

The previous prime is 27780217. The next prime is 27780281. The reversal of 27780230 is 3208772.

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

It is a junction number, because it is equal to n+sod(n) for n = 27780193 and 27780202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389002 + ... + 1389021.

It is an arithmetic number, because the mean of its divisors is an integer number (6250554).

Almost surely, 2^27780230 is an apocalyptic number.

27780230 is a deficient number, since it is larger than the sum of its proper divisors (22224202).

27780230 is a wasteful number, since it uses less digits than its factorization.

27780230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778030.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 27780230 is about 5270.6954000397. The cubic root of 27780230 is about 302.8623438434.

The spelling of 27780230 in words is "twenty-seven million, seven hundred eighty thousand, two hundred thirty".