88343809 has 4 divisors (see below), whose sum is σ = 89588160. Its totient is φ = 87099460.

The previous prime is 88343777. The next prime is 88343819. The reversal of 88343809 is 90834388.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88343809 - 2⁵ = 88343777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88343819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622069 + ... + 622210.

It is an arithmetic number, because the mean of its divisors is an integer number (22397040).

Almost surely, 2^88343809 is an apocalyptic number.

It is an amenable number.

88343809 is a deficient number, since it is larger than the sum of its proper divisors (1244351).

88343809 is a wasteful number, since it uses less digits than its factorization.

88343809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244350.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 88343809 is about 9399.1387371397. The cubic root of 88343809 is about 445.3745262587.

It can be divided in two parts, 8834 and 3809, that multiplied together give a triangular number (33648706 = T₈₂₀₃).

The spelling of 88343809 in words is "eighty-eight million, three hundred forty-three thousand, eight hundred nine".