27870142279 has 8 divisors (see below), whose sum is σ = 31855922208. Its totient is φ = 23885445120.

The previous prime is 27870142259. The next prime is 27870142351. The reversal of 27870142279 is 97224107872.

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

It is a cyclic number.

It is not a de Polignac number, because 27870142279 - 2⁷ = 27870142151 is a prime.

It is a super-3 number, since 3×27870142279³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27870142259) 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, 214762 + ... + 319159.

It is an arithmetic number, because the mean of its divisors is an integer number (3981990276).

Almost surely, 2^27870142279 is an apocalyptic number.

27870142279 is a deficient number, since it is larger than the sum of its proper divisors (3985779929).

27870142279 is an equidigital number, since it uses as much as digits as its factorization.

27870142279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541385.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 27870142279 in words is "twenty-seven billion, eight hundred seventy million, one hundred forty-two thousand, two hundred seventy-nine".