27728573003 has 2 divisors, whose sum is σ = 27728573004. Its totient is φ = 27728573002.

The previous prime is 27728572957. The next prime is 27728573009. The reversal of 27728573003 is 30037582772.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27728573003 - 2¹⁶ = 27728507467 is a prime.

It is not a weakly prime, because it can be changed into another prime (27728573009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13864286501 + 13864286502.

It is an arithmetic number, because the mean of its divisors is an integer number (13864286502).

Almost surely, 2^27728573003 is an apocalyptic number.

27728573003 is a deficient number, since it is larger than the sum of its proper divisors (1).

27728573003 is an equidigital number, since it uses as much as digits as its factorization.

27728573003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 27728573003 in words is "twenty-seven billion, seven hundred twenty-eight million, five hundred seventy-three thousand, three".