27689046142 has 32 divisors (see below), whose sum is σ = 44375385600. Its totient is φ = 12920212800.

The previous prime is 27689046139. The next prime is 27689046181. The reversal of 27689046142 is 24164098672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901417 + ... + 931627.

It is an arithmetic number, because the mean of its divisors is an integer number (1386730800).

Almost surely, 2^27689046142 is an apocalyptic number.

27689046142 is a deficient number, since it is larger than the sum of its proper divisors (16686339458).

27689046142 is a wasteful number, since it uses less digits than its factorization.

27689046142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30592.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 27689046142 in words is "twenty-seven billion, six hundred eighty-nine million, forty-six thousand, one hundred forty-two".