27979802 has 8 divisors (see below), whose sum is σ = 42038112. Its totient is φ = 13967100.

The previous prime is 27979771. The next prime is 27979823. The reversal of 27979802 is 20897972.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9824 + ... + 12347.

It is an arithmetic number, because the mean of its divisors is an integer number (5254764).

Almost surely, 2^27979802 is an apocalyptic number.

27979802 is a deficient number, since it is larger than the sum of its proper divisors (14058310).

27979802 is a wasteful number, since it uses less digits than its factorization.

27979802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22804.

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

The square root of 27979802 is about 5289.5937462153. The cubic root of 27979802 is about 303.5858641189.

The spelling of 27979802 in words is "twenty-seven million, nine hundred seventy-nine thousand, eight hundred two".