88491659 has 2 divisors, whose sum is σ = 88491660. Its totient is φ = 88491658.

The previous prime is 88491643. The next prime is 88491661. The reversal of 88491659 is 95619488.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88491659 - 2⁴ = 88491643 is a prime.

Together with 88491661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88491619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44245829 + 44245830.

It is an arithmetic number, because the mean of its divisors is an integer number (44245830).

Almost surely, 2^88491659 is an apocalyptic number.

88491659 is a deficient number, since it is larger than the sum of its proper divisors (1).

88491659 is an equidigital number, since it uses as much as digits as its factorization.

88491659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The square root of 88491659 is about 9407.0005315191. Note that the first 3 decimals coincide. The cubic root of 88491659 is about 445.6228436917.

The spelling of 88491659 in words is "eighty-eight million, four hundred ninety-one thousand, six hundred fifty-nine".