88879809 has 16 divisors (see below), whose sum is σ = 125910720. Its totient is φ = 55661760.

The previous prime is 88879801. The next prime is 88879831. The reversal of 88879809 is 90897888.

It is not a de Polignac number, because 88879809 - 2³ = 88879801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88879801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10587 + ... + 17024.

It is an arithmetic number, because the mean of its divisors is an integer number (7869420).

Almost surely, 2^88879809 is an apocalyptic number.

It is an amenable number.

88879809 is a deficient number, since it is larger than the sum of its proper divisors (37030911).

88879809 is a wasteful number, since it uses less digits than its factorization.

88879809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27680.

The product of its (nonzero) digits is 2322432, while the sum is 57.

The square root of 88879809 is about 9427.6088696976. The cubic root of 88879809 is about 446.2734369287.

The spelling of 88879809 in words is "eighty-eight million, eight hundred seventy-nine thousand, eight hundred nine".