88129243 has 4 divisors (see below), whose sum is σ = 88148128. Its totient is φ = 88110360.

The previous prime is 88129211. The next prime is 88129259. The reversal of 88129243 is 34292188.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88129243 - 2⁵ = 88129211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88129273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3205 + ... + 13657.

It is an arithmetic number, because the mean of its divisors is an integer number (22037032).

Almost surely, 2^88129243 is an apocalyptic number.

88129243 is a deficient number, since it is larger than the sum of its proper divisors (18885).

88129243 is a wasteful number, since it uses less digits than its factorization.

88129243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18884.

The product of its digits is 27648, while the sum is 37.

The square root of 88129243 is about 9387.7176672501. The cubic root of 88129243 is about 445.0136645217.

The spelling of 88129243 in words is "eighty-eight million, one hundred twenty-nine thousand, two hundred forty-three".