537378727 has 2 divisors, whose sum is σ = 537378728. Its totient is φ = 537378726.

The previous prime is 537378719. The next prime is 537378731. The reversal of 537378727 is 727873735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 537378727 - 2³ = 537378719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537348727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268689363 + 268689364.

It is an arithmetic number, because the mean of its divisors is an integer number (268689364).

Almost surely, 2^537378727 is an apocalyptic number.

537378727 is a deficient number, since it is larger than the sum of its proper divisors (1).

537378727 is an equidigital number, since it uses as much as digits as its factorization.

537378727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728720, while the sum is 49.

The square root of 537378727 is about 23181.4306504150. The cubic root of 537378727 is about 813.0055120719.

It can be divided in two parts, 5373 and 78727, that added together give a square (84100 = 290²).

The spelling of 537378727 in words is "five hundred thirty-seven million, three hundred seventy-eight thousand, seven hundred twenty-seven".