338979698855 has 16 divisors (see below), whose sum is σ = 465068803584. Its totient is φ = 232352042400.

The previous prime is 338979698773. The next prime is 338979698867. The reversal of 338979698855 is 558896979833.

It is not a de Polignac number, because 338979698855 - 2¹⁰ = 338979697831 is a prime.

It is a super-2 number, since 2×338979698855² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338979698855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1809017 + ... + 1987586.

It is an arithmetic number, because the mean of its divisors is an integer number (29066800224).

Almost surely, 2^338979698855 is an apocalyptic number.

338979698855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

338979698855 is a deficient number, since it is larger than the sum of its proper divisors (126089104729).

338979698855 is a wasteful number, since it uses less digits than its factorization.

338979698855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799166.

The product of its digits is 3527193600, while the sum is 80.

The spelling of 338979698855 in words is "three hundred thirty-eight billion, nine hundred seventy-nine million, six hundred ninety-eight thousand, eight hundred fifty-five".