27704729416 has 64 divisors (see below), whose sum is σ = 65294369280. Its totient is φ = 10726905600.

The previous prime is 27704729411. The next prime is 27704729431. The reversal of 27704729416 is 61492740772.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27704729416.

It is not an unprimeable number, because it can be changed into a prime (27704729411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370635 + ... + 439066.

It is an arithmetic number, because the mean of its divisors is an integer number (1020224520).

Almost surely, 2^27704729416 is an apocalyptic number.

27704729416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27704729416 is an abundant number, since it is smaller than the sum of its proper divisors (37589639864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27704729416 is a wasteful number, since it uses less digits than its factorization.

27704729416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809774 (or 809770 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 27704729416 in words is "twenty-seven billion, seven hundred four million, seven hundred twenty-nine thousand, four hundred sixteen".