378668228917 has 8 divisors (see below), whose sum is σ = 437392179072. Its totient is φ = 323994206400.

The previous prime is 378668228843. The next prime is 378668228923. The reversal of 378668228917 is 719822866873.

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 378668228917 - 2¹⁵ = 378668196149 is a prime.

It is a super-2 number, since 2×378668228917² (a number of 24 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 (378668228987) 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, 1012481709 + ... + 1012482082.

It is an arithmetic number, because the mean of its divisors is an integer number (54674022384).

Almost surely, 2^378668228917 is an apocalyptic number.

It is an amenable number.

378668228917 is a deficient number, since it is larger than the sum of its proper divisors (58723950155).

378668228917 is a wasteful number, since it uses less digits than its factorization.

378668228917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024963819.

The product of its digits is 97542144, while the sum is 67.

The spelling of 378668228917 in words is "three hundred seventy-eight billion, six hundred sixty-eight million, two hundred twenty-eight thousand, nine hundred seventeen".