338507068241087 has 4 divisors (see below), whose sum is σ = 356323229727480. Its totient is φ = 320690906754696.

The previous prime is 338507068241081. The next prime is 338507068241099. The reversal of 338507068241087 is 780142860705833.

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 338507068241087 - 2¹² = 338507068236991 is a prime.

It is a super-2 number, since 2×338507068241087² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338507068241081) 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, 8908080743168 + ... + 8908080743205.

It is an arithmetic number, because the mean of its divisors is an integer number (89080807431870).

Almost surely, 2^{338507068241087} is an apocalyptic number.

338507068241087 is a deficient number, since it is larger than the sum of its proper divisors (17816161486393).

338507068241087 is a wasteful number, since it uses less digits than its factorization.

338507068241087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17816161486392.

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 338507068241087 in words is "three hundred thirty-eight trillion, five hundred seven billion, sixty-eight million, two hundred forty-one thousand, eighty-seven".