88800391 has 2 divisors, whose sum is σ = 88800392. Its totient is φ = 88800390.

The previous prime is 88800379. The next prime is 88800409. The reversal of 88800391 is 19300888.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88800391 - 2⁵ = 88800359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88800391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88800191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44400195 + 44400196.

It is an arithmetic number, because the mean of its divisors is an integer number (44400196).

Almost surely, 2^88800391 is an apocalyptic number.

88800391 is a deficient number, since it is larger than the sum of its proper divisors (1).

88800391 is an equidigital number, since it uses as much as digits as its factorization.

88800391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 88800391 is about 9423.3959377711. The cubic root of 88800391 is about 446.1404757015.

The spelling of 88800391 in words is "eighty-eight million, eight hundred thousand, three hundred ninety-one".