27824730356 has 6 divisors (see below), whose sum is σ = 48693278130. Its totient is φ = 13912365176.

The previous prime is 27824730347. The next prime is 27824730391. The reversal of 27824730356 is 65303742872.

It can be written as a sum of positive squares in only one way, i.e., 14336230756 + 13488499600 = 119734^2 + 116140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27824730356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3478091291 + ... + 3478091298.

It is an arithmetic number, because the mean of its divisors is an integer number (8115546355).

Almost surely, 2^27824730356 is an apocalyptic number.

It is an amenable number.

27824730356 is a deficient number, since it is larger than the sum of its proper divisors (20868547774).

27824730356 is a wasteful number, since it uses less digits than its factorization.

27824730356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956182593 (or 6956182591 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 27824730356 in words is "twenty-seven billion, eight hundred twenty-four million, seven hundred thirty thousand, three hundred fifty-six".