88643543 has 2 divisors, whose sum is σ = 88643544. Its totient is φ = 88643542.

The previous prime is 88643537. The next prime is 88643567. The reversal of 88643543 is 34534688.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88643543 - 2¹⁴ = 88627159 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88643543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88643573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44321771 + 44321772.

It is an arithmetic number, because the mean of its divisors is an integer number (44321772).

Almost surely, 2^88643543 is an apocalyptic number.

88643543 is a deficient number, since it is larger than the sum of its proper divisors (1).

88643543 is an equidigital number, since it uses as much as digits as its factorization.

88643543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 41.

The square root of 88643543 is about 9415.0699944291. The cubic root of 88643543 is about 445.8776484749.

The spelling of 88643543 in words is "eighty-eight million, six hundred forty-three thousand, five hundred forty-three".