378899866102 has 8 divisors (see below), whose sum is σ = 568450355616. Its totient is φ = 189416414232.

The previous prime is 378899866097. The next prime is 378899866117. The reversal of 378899866102 is 201668998873.

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

It is a super-2 number, since 2×378899866102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16745278 + ... + 16767889.

It is an arithmetic number, because the mean of its divisors is an integer number (71056294452).

Almost surely, 2^378899866102 is an apocalyptic number.

378899866102 is a deficient number, since it is larger than the sum of its proper divisors (189550489514).

378899866102 is a wasteful number, since it uses less digits than its factorization.

378899866102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33518822.

The product of its (nonzero) digits is 62705664, while the sum is 67.

The spelling of 378899866102 in words is "three hundred seventy-eight billion, eight hundred ninety-nine million, eight hundred sixty-six thousand, one hundred two".