88321147 has 2 divisors, whose sum is σ = 88321148. Its totient is φ = 88321146.

The previous prime is 88321111. The next prime is 88321159. The reversal of 88321147 is 74112388.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88321147 is a prime.

It is not a weakly prime, because it can be changed into another prime (88321847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44160573 + 44160574.

It is an arithmetic number, because the mean of its divisors is an integer number (44160574).

Almost surely, 2^88321147 is an apocalyptic number.

88321147 is a deficient number, since it is larger than the sum of its proper divisors (1).

88321147 is an equidigital number, since it uses as much as digits as its factorization.

88321147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 88321147 is about 9397.9331238310. The cubic root of 88321147 is about 445.3364404332.

The spelling of 88321147 in words is "eighty-eight million, three hundred twenty-one thousand, one hundred forty-seven".