88520239 has 4 divisors (see below), whose sum is σ = 88910424. Its totient is φ = 88130056.

The previous prime is 88520231. The next prime is 88520251. The reversal of 88520239 is 93202588.

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 88520239 - 2³ = 88520231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88520198 and 88520207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88520231) 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, 194752 + ... + 195205.

It is an arithmetic number, because the mean of its divisors is an integer number (22227606).

Almost surely, 2^88520239 is an apocalyptic number.

88520239 is a deficient number, since it is larger than the sum of its proper divisors (390185).

88520239 is a wasteful number, since it uses less digits than its factorization.

88520239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390184.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 88520239 is about 9408.5194903343. The cubic root of 88520239 is about 445.6708125442.

The spelling of 88520239 in words is "eighty-eight million, five hundred twenty thousand, two hundred thirty-nine".