88163819 has 16 divisors (see below), whose sum is σ = 98640000. Its totient is φ = 78309504.

The previous prime is 88163813. The next prime is 88163863. The reversal of 88163819 is 91836188.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 88163819 - 2²⁰ = 87115243 is a prime.

It is a super-2 number, since 2×88163819² = 15545717961329522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88163819.

It is not an unprimeable number, because it can be changed into a prime (88163813) 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 in 15 ways as a sum of consecutive naturals, for example, 160904 + ... + 161450.

It is an arithmetic number, because the mean of its divisors is an integer number (6165000).

Almost surely, 2^88163819 is an apocalyptic number.

88163819 is a deficient number, since it is larger than the sum of its proper divisors (10476181).

88163819 is a wasteful number, since it uses less digits than its factorization.

88163819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082.

The product of its digits is 82944, while the sum is 44.

The square root of 88163819 is about 9389.5590418294. The cubic root of 88163819 is about 445.0718547437.

The spelling of 88163819 in words is "eighty-eight million, one hundred sixty-three thousand, eight hundred nineteen".