88819 has 2 divisors, whose sum is σ = 88820. Its totient is φ = 88818.

The previous prime is 88817. The next prime is 88843. The reversal of 88819 is 91888.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88819 - 2¹ = 88817 is a prime.

It is a super-2 number, since 2×88819² = 15777629522, which contains 22 as substring.

Together with 88817, it forms a pair of twin primes.

88819 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (88811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44409 + 44410.

It is an arithmetic number, because the mean of its divisors is an integer number (44410).

2⁸⁸⁸¹⁹ is an apocalyptic number.

88819 is a deficient number, since it is larger than the sum of its proper divisors (1).

88819 is an equidigital number, since it uses as much as digits as its factorization.

88819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 34.

The square root of 88819 is about 298.0251667225. The cubic root of 88819 is about 44.6171637908.

The spelling of 88819 in words is "eighty-eight thousand, eight hundred nineteen".