27030869979 has 4 divisors (see below), whose sum is σ = 36041159976. Its totient is φ = 18020579984.

The previous prime is 27030869947. The next prime is 27030870023. The reversal of 27030869979 is 97996803072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27030869979 - 2⁵ = 27030869947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27030862979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4505144994 + ... + 4505144999.

It is an arithmetic number, because the mean of its divisors is an integer number (9010289994).

Almost surely, 2^27030869979 is an apocalyptic number.

27030869979 is a deficient number, since it is larger than the sum of its proper divisors (9010289997).

27030869979 is an equidigital number, since it uses as much as digits as its factorization.

27030869979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010289996.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 27030869979 in words is "twenty-seven billion, thirty million, eight hundred sixty-nine thousand, nine hundred seventy-nine".