27946978496 has 28 divisors (see below), whose sum is σ = 55480918248. Its totient is φ = 13967534592.

The previous prime is 27946978441. The next prime is 27946978517. The reversal of 27946978496 is 69487964972.

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, 60275 + ... + 243981.

It is an arithmetic number, because the mean of its divisors is an integer number (1981461366).

Almost surely, 2^27946978496 is an apocalyptic number.

It is an amenable number.

27946978496 is a deficient number, since it is larger than the sum of its proper divisors (27533939752).

27946978496 is a wasteful number, since it uses less digits than its factorization.

27946978496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186096 (or 186086 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 71.

The spelling of 27946978496 in words is "twenty-seven billion, nine hundred forty-six million, nine hundred seventy-eight thousand, four hundred ninety-six".