88966819 has 2 divisors, whose sum is σ = 88966820. Its totient is φ = 88966818.

The previous prime is 88966799. The next prime is 88966847. The reversal of 88966819 is 91866988.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88966819 - 2²¹ = 86869667 is a prime.

It is a super-2 number, since 2×88966819² = 15830189765957522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88966819.

It is not a weakly prime, because it can be changed into another prime (88966849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44483409 + 44483410.

It is an arithmetic number, because the mean of its divisors is an integer number (44483410).

Almost surely, 2^88966819 is an apocalyptic number.

88966819 is a deficient number, since it is larger than the sum of its proper divisors (1).

88966819 is an equidigital number, since it uses as much as digits as its factorization.

88966819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 55.

The square root of 88966819 is about 9432.2223786338. Note that the first 3 decimals coincide. The cubic root of 88966819 is about 446.4190177527.

The spelling of 88966819 in words is "eighty-eight million, nine hundred sixty-six thousand, eight hundred nineteen".