27780095 has 8 divisors (see below), whose sum is σ = 38098464. Its totient is φ = 19049184.

The previous prime is 27780073. The next prime is 27780097. The reversal of 27780095 is 59008772.

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

It is not a de Polignac number, because 27780095 - 2⁸ = 27779839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27780097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396824 + ... + 396893.

It is an arithmetic number, because the mean of its divisors is an integer number (4762308).

Almost surely, 2^27780095 is an apocalyptic number.

27780095 is a deficient number, since it is larger than the sum of its proper divisors (10318369).

27780095 is an equidigital number, since it uses as much as digits as its factorization.

27780095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793729.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 27780095 is about 5270.6825933649. The cubic root of 27780095 is about 302.8618532490.

The spelling of 27780095 in words is "twenty-seven million, seven hundred eighty thousand, ninety-five".