88019019 has 12 divisors (see below), whose sum is σ = 138696792. Its totient is φ = 53344800.

The previous prime is 88019017. The next prime is 88019051. The reversal of 88019019 is 91091088.

It is not a de Polignac number, because 88019019 - 2¹ = 88019017 is a prime.

It is a super-2 number, since 2×88019019² = 15494695411444722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88019017) 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 11 ways as a sum of consecutive naturals, for example, 444442 + ... + 444639.

It is an arithmetic number, because the mean of its divisors is an integer number (11558066).

Almost surely, 2^88019019 is an apocalyptic number.

88019019 is a deficient number, since it is larger than the sum of its proper divisors (50677773).

88019019 is a wasteful number, since it uses less digits than its factorization.

88019019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889098 (or 889095 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 88019019 is about 9381.8451809865. The cubic root of 88019019 is about 444.8280596521.

The spelling of 88019019 in words is "eighty-eight million, nineteen thousand, nineteen".