88849819 has 2 divisors, whose sum is σ = 88849820. Its totient is φ = 88849818.

The previous prime is 88849807. The next prime is 88849841. The reversal of 88849819 is 91894888.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88849819 - 2²¹ = 86752667 is a prime.

It is a super-2 number, since 2×88849819² = 15788580672665522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88849819.

It is not a weakly prime, because it can be changed into another prime (88849219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44424909 + 44424910.

It is an arithmetic number, because the mean of its divisors is an integer number (44424910).

Almost surely, 2^88849819 is an apocalyptic number.

88849819 is a deficient number, since it is larger than the sum of its proper divisors (1).

88849819 is an equidigital number, since it uses as much as digits as its factorization.

88849819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 55.

The square root of 88849819 is about 9426.0181943385. The cubic root of 88849819 is about 446.2232371284.

The spelling of 88849819 in words is "eighty-eight million, eight hundred forty-nine thousand, eight hundred nineteen".