27479896744 has 32 divisors (see below), whose sum is σ = 54208060200. Its totient is φ = 13042529280.

The previous prime is 27479896739. The next prime is 27479896747. The reversal of 27479896744 is 44769897472.

It can be written as a sum of positive squares in 4 ways, for example, as 24759022500 + 2720874244 = 157350^2 + 52162^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27479896744.

It is not an unprimeable number, because it can be changed into a prime (27479896747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120029 + ... + 1144300.

Almost surely, 2^27479896744 is an apocalyptic number.

It is an amenable number.

27479896744 is a deficient number, since it is larger than the sum of its proper divisors (26728163456).

27479896744 is a wasteful number, since it uses less digits than its factorization.

27479896744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264413 (or 2264409 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 67.

The spelling of 27479896744 in words is "twenty-seven billion, four hundred seventy-nine million, eight hundred ninety-six thousand, seven hundred forty-four".