27950881 has 8 divisors (see below), whose sum is σ = 33625280. Its totient is φ = 22696848.

The previous prime is 27950863. The next prime is 27950887. The reversal of 27950881 is 18805972.

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 27950881 - 2⁵ = 27950849 is a prime.

It is a super-2 number, since 2×27950881² = 1562503497352322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27950887) 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, 104946 + ... + 105211.

It is an arithmetic number, because the mean of its divisors is an integer number (4203160).

Almost surely, 2^27950881 is an apocalyptic number.

It is an amenable number.

27950881 is a deficient number, since it is larger than the sum of its proper divisors (5674399).

27950881 is a wasteful number, since it uses less digits than its factorization.

27950881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210183.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 27950881 is about 5286.8592756002. The cubic root of 27950881 is about 303.4812287153.

The spelling of 27950881 in words is "twenty-seven million, nine hundred fifty thousand, eight hundred eighty-one".