378920745278136 has 64 divisors (see below), whose sum is σ = 1052560729946400. Its totient is φ = 126306542592000.

The previous prime is 378920745278041. The next prime is 378920745278167. The reversal of 378920745278136 is 631872547029873.

378920745278136 is a `hidden beast` number, since 3 + 7 + 8 + 9 + 20 + 74 + 527 + 8 + 1 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76392606 + ... + 81201426.

It is a 1-persistent number, because it is pandigital, but 2⋅378920745278136 = 757841490556272 is not.

Almost surely, 2^{378920745278136} is an apocalyptic number.

378920745278136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

378920745278136 is an abundant number, since it is smaller than the sum of its proper divisors (673639984668264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378920745278136 is a wasteful number, since it uses less digits than its factorization.

378920745278136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173637 (or 5173627 counting only the distinct ones).

The product of its (nonzero) digits is 853493760, while the sum is 72.

The spelling of 378920745278136 in words is "three hundred seventy-eight trillion, nine hundred twenty billion, seven hundred forty-five million, two hundred seventy-eight thousand, one hundred thirty-six".