38895887809 has 16 divisors (see below), whose sum is σ = 39362803200. Its totient is φ = 38432209536.

The previous prime is 38895887777. The next prime is 38895887873. The reversal of 38895887809 is 90878859883.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38895887809 - 2⁵ = 38895887777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38895888809) 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 in 15 ways as a sum of consecutive naturals, for example, 40813677 + ... + 40814629.

It is an arithmetic number, because the mean of its divisors is an integer number (2460175200).

Almost surely, 2^38895887809 is an apocalyptic number.

It is an amenable number.

38895887809 is a deficient number, since it is larger than the sum of its proper divisors (466915391).

38895887809 is a wasteful number, since it uses less digits than its factorization.

38895887809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its (nonzero) digits is 278691840, while the sum is 73.

The spelling of 38895887809 in words is "thirty-eight billion, eight hundred ninety-five million, eight hundred eighty-seven thousand, eight hundred nine".