88641547 has 2 divisors, whose sum is σ = 88641548. Its totient is φ = 88641546.

The previous prime is 88641523. The next prime is 88641559. The reversal of 88641547 is 74514688.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88641547 is a prime.

It is not a weakly prime, because it can be changed into another prime (88641347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44320773 + 44320774.

It is an arithmetic number, because the mean of its divisors is an integer number (44320774).

Almost surely, 2^88641547 is an apocalyptic number.

88641547 is a deficient number, since it is larger than the sum of its proper divisors (1).

88641547 is an equidigital number, since it uses as much as digits as its factorization.

88641547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 43.

The square root of 88641547 is about 9414.9639935583. The cubic root of 88641547 is about 445.8743018184.

The spelling of 88641547 in words is "eighty-eight million, six hundred forty-one thousand, five hundred forty-seven".