378802226466255 has 16 divisors (see below), whose sum is σ = 606255111698400. Its totient is φ = 201970670997888.

The previous prime is 378802226466239. The next prime is 378802226466263. The reversal of 378802226466255 is 552664622208873.

It is a happy number.

It is not a de Polignac number, because 378802226466255 - 2⁴ = 378802226466239 is a prime.

It is a super-2 number, since 2×378802226466255² (a number of 30 digits) contains 22 as substring.

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, 3573890080 + ... + 3573996069.

It is an arithmetic number, because the mean of its divisors is an integer number (37890944481150).

Almost surely, 2^{378802226466255} is an apocalyptic number.

378802226466255 is a deficient number, since it is larger than the sum of its proper divisors (227452885232145).

378802226466255 is a wasteful number, since it uses less digits than its factorization.

378802226466255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147889690.

The product of its (nonzero) digits is 464486400, while the sum is 66.

The spelling of 378802226466255 in words is "three hundred seventy-eight trillion, eight hundred two billion, two hundred twenty-six million, four hundred sixty-six thousand, two hundred fifty-five".