27731842346 has 8 divisors (see below), whose sum is σ = 44797591524. Its totient is φ = 12799311840.

The previous prime is 27731842339. The next prime is 27731842351. The reversal of 27731842346 is 64324813772.

It can be written as a sum of positive squares in 2 ways, for example, as 27725913121 + 5929225 = 166511^2 + 2435^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 27731842346.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533304635 + ... + 533304686.

Almost surely, 2^27731842346 is an apocalyptic number.

27731842346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

27731842346 is a deficient number, since it is larger than the sum of its proper divisors (17065749178).

27731842346 is a wasteful number, since it uses less digits than its factorization.

27731842346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066609336.

The product of its digits is 1354752, while the sum is 47.

The spelling of 27731842346 in words is "twenty-seven billion, seven hundred thirty-one million, eight hundred forty-two thousand, three hundred forty-six".