338257720747 has 8 divisors (see below), whose sum is σ = 338617235600. Its totient is φ = 337898399904.

The previous prime is 338257720673. The next prime is 338257720777. The reversal of 338257720747 is 747027752833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 338257720747 - 2¹¹ = 338257718699 is a prime.

It is a super-2 number, since 2×338257720747² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338257720777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3583288 + ... + 3676474.

It is an arithmetic number, because the mean of its divisors is an integer number (42327154450).

Almost surely, 2^338257720747 is an apocalyptic number.

338257720747 is the 335787-th hex number.

338257720747 is a deficient number, since it is larger than the sum of its proper divisors (359514853).

338257720747 is a wasteful number, since it uses less digits than its factorization.

338257720747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97005.

The product of its (nonzero) digits is 13829760, while the sum is 55.

The spelling of 338257720747 in words is "three hundred thirty-eight billion, two hundred fifty-seven million, seven hundred twenty thousand, seven hundred forty-seven".