88859819 has 2 divisors, whose sum is σ = 88859820. Its totient is φ = 88859818.

The previous prime is 88859809. The next prime is 88859821. The reversal of 88859819 is 91895888.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88859819 - 2⁴ = 88859803 is a prime.

It is a super-2 number, since 2×88859819² = 15792134865425522, which contains 22 as substring.

Together with 88859821, 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 (88859809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44429909 + 44429910.

It is an arithmetic number, because the mean of its divisors is an integer number (44429910).

Almost surely, 2^88859819 is an apocalyptic number.

88859819 is a deficient number, since it is larger than the sum of its proper divisors (1).

88859819 is an equidigital number, since it uses as much as digits as its factorization.

88859819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 56.

The square root of 88859819 is about 9426.5486260879. The cubic root of 88859819 is about 446.2399772299.

The spelling of 88859819 in words is "eighty-eight million, eight hundred fifty-nine thousand, eight hundred nineteen".