27097829 has 8 divisors (see below), whose sum is σ = 29807040. Its totient is φ = 24633180.

The previous prime is 27097817. The next prime is 27097831. The reversal of 27097829 is 92879072.

It is a de Polignac number, because none of the positive numbers 2^k-27097829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27097829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27097849) 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, 8849 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (3725880).

Almost surely, 2^27097829 is an apocalyptic number.

It is an amenable number.

27097829 is a deficient number, since it is larger than the sum of its proper divisors (2709211).

27097829 is an equidigital number, since it uses as much as digits as its factorization.

27097829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20392 (or 20370 counting only the distinct ones).

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

The square root of 27097829 is about 5205.5575109684. The cubic root of 27097829 is about 300.3618928992.

The spelling of 27097829 in words is "twenty-seven million, ninety-seven thousand, eight hundred twenty-nine".