27157402689 has 8 divisors (see below), whose sum is σ = 36668223360. Its totient is φ = 17875758576.

The previous prime is 27157402687. The next prime is 27157402691. The reversal of 27157402689 is 98620475172.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27157402687) and next prime (27157402691).

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

It is not a de Polignac number, because 27157402689 - 2¹ = 27157402687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27157402687) 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, 57293862 + ... + 57294335.

It is an arithmetic number, because the mean of its divisors is an integer number (4583527920).

Almost surely, 2^27157402689 is an apocalyptic number.

It is an amenable number.

27157402689 is a deficient number, since it is larger than the sum of its proper divisors (9510820671).

27157402689 is a wasteful number, since it uses less digits than its factorization.

27157402689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114588279.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 27157402689 in words is "twenty-seven billion, one hundred fifty-seven million, four hundred two thousand, six hundred eighty-nine".