238487340859 has 16 divisors (see below), whose sum is σ = 245609423136. Its totient is φ = 231401491200.

The previous prime is 238487340823. The next prime is 238487340881. The reversal of 238487340859 is 958043784832.

It is a cyclic number.

It is not a de Polignac number, because 238487340859 - 2⁷ = 238487340731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238487340797 and 238487340806.

It is not an unprimeable number, because it can be changed into a prime (238487340809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40439199 + ... + 40445095.

It is an arithmetic number, because the mean of its divisors is an integer number (15350588946).

Almost surely, 2^238487340859 is an apocalyptic number.

238487340859 is a deficient number, since it is larger than the sum of its proper divisors (7122082277).

238487340859 is a wasteful number, since it uses less digits than its factorization.

238487340859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8766.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 238487340859 in words is "two hundred thirty-eight billion, four hundred eighty-seven million, three hundred forty thousand, eight hundred fifty-nine".