88209005 has 8 divisors (see below), whose sum is σ = 112077432. Its totient is φ = 66416128.

The previous prime is 88208977. The next prime is 88209007. The reversal of 88209005 is 50090288.

It can be written as a sum of positive squares in 4 ways, for example, as 9815689 + 78393316 = 3133^2 + 8854^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88209005 - 2⁶ = 88208941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88209007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518792 + ... + 518961.

It is an arithmetic number, because the mean of its divisors is an integer number (14009679).

Almost surely, 2^88209005 is an apocalyptic number.

88209005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88209005 is a deficient number, since it is larger than the sum of its proper divisors (23868427).

88209005 is a wasteful number, since it uses less digits than its factorization.

88209005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037775.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 88209005 is about 9391.9649168851. The cubic root of 88209005 is about 445.1478783032.

The spelling of 88209005 in words is "eighty-eight million, two hundred nine thousand, five".