27964928744 has 8 divisors (see below), whose sum is σ = 52434241410. Its totient is φ = 13982464368.

The previous prime is 27964928743. The next prime is 27964928759. The reversal of 27964928744 is 44782946972.

It can be written as a sum of positive squares in only one way, i.e., 14196722500 + 13768206244 = 119150^2 + 117338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (27964928743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747808039 + ... + 1747808054.

Almost surely, 2^27964928744 is an apocalyptic number.

It is an amenable number.

27964928744 is a deficient number, since it is larger than the sum of its proper divisors (24469312666).

27964928744 is a wasteful number, since it uses less digits than its factorization.

27964928744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495616099 (or 3495616095 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 62.

The spelling of 27964928744 in words is "twenty-seven billion, nine hundred sixty-four million, nine hundred twenty-eight thousand, seven hundred forty-four".