27936976074 has 64 divisors (see below), whose sum is σ = 65409991680. Its totient is φ = 7788130560.

The previous prime is 27936976063. The next prime is 27936976099. The reversal of 27936976074 is 47067963972.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27936975999 and 27936976017.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1814589 + ... + 1829919.

It is an arithmetic number, because the mean of its divisors is an integer number (1022031120).

Almost surely, 2^27936976074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27936976074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32704995840).

27936976074 is an abundant number, since it is smaller than the sum of its proper divisors (37473015606).

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

27936976074 is a wasteful number, since it uses less digits than its factorization.

27936976074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16395.

The product of its (nonzero) digits is 24004512, while the sum is 60.

The spelling of 27936976074 in words is "twenty-seven billion, nine hundred thirty-six million, nine hundred seventy-six thousand, seventy-four".