27676778970 has 32 divisors (see below), whose sum is σ = 66831792192. Its totient is φ = 7335194112.

The previous prime is 27676778929. The next prime is 27676778971. The reversal of 27676778970 is 7987767672.

It is not an unprimeable number, because it can be changed into a prime (27676778971) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2825047 + ... + 2834826.

It is an arithmetic number, because the mean of its divisors is an integer number (2088493506).

Almost surely, 2^27676778970 is an apocalyptic number.

27676778970 is an abundant number, since it is smaller than the sum of its proper divisors (39155013222).

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

27676778970 is a wasteful number, since it uses less digits than its factorization.

27676778970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660046.

The product of its (nonzero) digits is 87127488, while the sum is 66.

The spelling of 27676778970 in words is "twenty-seven billion, six hundred seventy-six million, seven hundred seventy-eight thousand, nine hundred seventy".