27878351036 has 12 divisors (see below), whose sum is σ = 48903554280. Its totient is φ = 13905906960.

The previous prime is 27878351009. The next prime is 27878351047. The reversal of 27878351036 is 63015387872.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 8315255 + ... + 8318606.

It is an arithmetic number, because the mean of its divisors is an integer number (4075296190).

Almost surely, 2^27878351036 is an apocalyptic number.

It is an amenable number.

27878351036 is a deficient number, since it is larger than the sum of its proper divisors (21025203244).

27878351036 is a wasteful number, since it uses less digits than its factorization.

27878351036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16634284 (or 16634282 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 27878351036 in words is "twenty-seven billion, eight hundred seventy-eight million, three hundred fifty-one thousand, thirty-six".