27970089 has 16 divisors (see below), whose sum is σ = 42695040. Its totient is φ = 15955200.

The previous prime is 27970079. The next prime is 27970097. The reversal of 27970089 is 98007972.

It is not a de Polignac number, because 27970089 - 2¹⁵ = 27937321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27970089.

It is not an unprimeable number, because it can be changed into a prime (27970009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22689 + ... + 23889.

It is an arithmetic number, because the mean of its divisors is an integer number (2668440).

Almost surely, 2^27970089 is an apocalyptic number.

It is an amenable number.

27970089 is a deficient number, since it is larger than the sum of its proper divisors (14724951).

27970089 is a wasteful number, since it uses less digits than its factorization.

27970089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 27970089 is about 5288.6755430826. The cubic root of 27970089 is about 303.5507307899.

The spelling of 27970089 in words is "twenty-seven million, nine hundred seventy thousand, eighty-nine".