27902897 has 8 divisors (see below), whose sum is σ = 30485280. Its totient is φ = 25328160.

The previous prime is 27902891. The next prime is 27902911. The reversal of 27902897 is 79820972.

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

It is not a de Polignac number, because 27902897 - 2⁴ = 27902881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27902891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7973 + ... + 10925.

It is an arithmetic number, because the mean of its divisors is an integer number (3810660).

Almost surely, 2^27902897 is an apocalyptic number.

It is an amenable number.

27902897 is a deficient number, since it is larger than the sum of its proper divisors (2582383).

27902897 is a wasteful number, since it uses less digits than its factorization.

27902897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 27902897 is about 5282.3192822850. The cubic root of 27902897 is about 303.3074645518.

The spelling of 27902897 in words is "twenty-seven million, nine hundred two thousand, eight hundred ninety-seven".