27955055972 has 24 divisors (see below), whose sum is σ = 50380310400. Its totient is φ = 13566679776.

The previous prime is 27955055959. The next prime is 27955055981.

It is a happy number.

27955055972 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731063 + ... + 768350.

It is an arithmetic number, because the mean of its divisors is an integer number (2099179600).

Almost surely, 2^27955055972 is an apocalyptic number.

It is an amenable number.

27955055972 is a deficient number, since it is larger than the sum of its proper divisors (22425254428).

27955055972 is a wasteful number, since it uses less digits than its factorization.

27955055972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499555 (or 1499553 counting only the distinct ones).

The product of its (nonzero) digits is 9922500, while the sum is 56.

The spelling of 27955055972 in words is "twenty-seven billion, nine hundred fifty-five million, fifty-five thousand, nine hundred seventy-two".