3388947558667 has 16 divisors (see below), whose sum is σ = 3864026944512. Its totient is φ = 2942134592320.

The previous prime is 3388947558649. The next prime is 3388947558679. The reversal of 3388947558667 is 7668557498833.

It is not a de Polignac number, because 3388947558667 - 2⁷ = 3388947558539 is a prime.

It is a super-2 number, since 2×3388947558667² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3388947558697) 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, 10698883 + ... + 11011084.

It is an arithmetic number, because the mean of its divisors is an integer number (241501684032).

Almost surely, 2^{3388947558667} is an apocalyptic number.

3388947558667 is a deficient number, since it is larger than the sum of its proper divisors (475079385845).

3388947558667 is a wasteful number, since it uses less digits than its factorization.

3388947558667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21710618.

The product of its digits is 7315660800, while the sum is 79.

The spelling of 3388947558667 in words is "three trillion, three hundred eighty-eight billion, nine hundred forty-seven million, five hundred fifty-eight thousand, six hundred sixty-seven".