27978069010 has 16 divisors (see below), whose sum is σ = 51069828672. Its totient is φ = 11033604400.

The previous prime is 27978068983. The next prime is 27978069023. The reversal of 27978069010 is 1096087972.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19702156 + ... + 19703575.

It is an arithmetic number, because the mean of its divisors is an integer number (3191864292).

Almost surely, 2^27978069010 is an apocalyptic number.

27978069010 is a deficient number, since it is larger than the sum of its proper divisors (23091759662).

27978069010 is a wasteful number, since it uses less digits than its factorization.

27978069010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39405809.

The product of its (nonzero) digits is 381024, while the sum is 49.

The spelling of 27978069010 in words is "twenty-seven billion, nine hundred seventy-eight million, sixty-nine thousand, ten".