27957902 has 16 divisors (see below), whose sum is σ = 48032352. Its totient is φ = 11955840.

The previous prime is 27957893. The next prime is 27957929. The reversal of 27957902 is 20975972.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27957902.

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 7 ways as a sum of consecutive naturals, for example, 5378 + ... + 9210.

It is an arithmetic number, because the mean of its divisors is an integer number (3002022).

Almost surely, 2^27957902 is an apocalyptic number.

27957902 is a deficient number, since it is larger than the sum of its proper divisors (20074450).

27957902 is a wasteful number, since it uses less digits than its factorization.

27957902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 27957902 is about 5287.5232387196. The cubic root of 27957902 is about 303.5066371371.

The spelling of 27957902 in words is "twenty-seven million, nine hundred fifty-seven thousand, nine hundred two".