88249439 has 2 divisors, whose sum is σ = 88249440. Its totient is φ = 88249438.

The previous prime is 88249429. The next prime is 88249453. The reversal of 88249439 is 93494288.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88249439 - 2⁴ = 88249423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88249393 and 88249402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88249429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44124719 + 44124720.

It is an arithmetic number, because the mean of its divisors is an integer number (44124720).

Almost surely, 2^88249439 is an apocalyptic number.

88249439 is a deficient number, since it is larger than the sum of its proper divisors (1).

88249439 is an equidigital number, since it uses as much as digits as its factorization.

88249439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 88249439 is about 9394.1172549633. The cubic root of 88249439 is about 445.2158848135.

It can be divided in two parts, 88249 and 439, that added together give a palindrome (88688).

The spelling of 88249439 in words is "eighty-eight million, two hundred forty-nine thousand, four hundred thirty-nine".