84885727 has 2 divisors, whose sum is σ = 84885728. Its totient is φ = 84885726.

The previous prime is 84885679. The next prime is 84885739. The reversal of 84885727 is 72758848.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84885727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84882727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42442863 + 42442864.

It is an arithmetic number, because the mean of its divisors is an integer number (42442864).

Almost surely, 2^84885727 is an apocalyptic number.

84885727 is a deficient number, since it is larger than the sum of its proper divisors (1).

84885727 is an equidigital number, since it uses as much as digits as its factorization.

84885727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1003520, while the sum is 49.

The square root of 84885727 is about 9213.3450494378. The cubic root of 84885727 is about 439.4858439832.

The spelling of 84885727 in words is "eighty-four million, eight hundred eighty-five thousand, seven hundred twenty-seven".