338218847377 has 8 divisors (see below), whose sum is σ = 343440205416. Its totient is φ = 333032888832.

The previous prime is 338218847269. The next prime is 338218847401. The reversal of 338218847377 is 773748812833.

It can be written as a sum of positive squares in 4 ways, for example, as 85656314241 + 252562533136 = 292671^2 + 502556^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338218847377 is a prime.

It is a super-2 number, since 2×338218847377² (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 (338218947377) 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, 8830618 + ... + 8868835.

It is an arithmetic number, because the mean of its divisors is an integer number (42930025677).

Almost surely, 2^338218847377 is an apocalyptic number.

It is an amenable number.

338218847377 is a deficient number, since it is larger than the sum of its proper divisors (5221358039).

338218847377 is a wasteful number, since it uses less digits than its factorization.

338218847377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17699747.

The product of its digits is 37933056, while the sum is 61.

The spelling of 338218847377 in words is "three hundred thirty-eight billion, two hundred eighteen million, eight hundred forty-seven thousand, three hundred seventy-seven".