378882551925 has 36 divisors (see below), whose sum is σ = 686245737060. Its totient is φ = 199800226560.

The previous prime is 378882551837. The next prime is 378882552029. The reversal of 378882551925 is 529155288873.

378882551925 is a `hidden beast` number, since 3 + 78 + 8 + 8 + 2 + 551 + 9 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 709210161 + 378173341764 = 26631^2 + 614958^2 .

It is not a de Polignac number, because 378882551925 - 2⁹ = 378882551413 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9440214 + ... + 9480263.

It is an arithmetic number, because the mean of its divisors is an integer number (19062381585).

Almost surely, 2^378882551925 is an apocalyptic number.

It is an amenable number.

378882551925 is a deficient number, since it is larger than the sum of its proper divisors (307363185135).

378882551925 is a wasteful number, since it uses less digits than its factorization.

378882551925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18920582 (or 18920574 counting only the distinct ones).

The product of its digits is 48384000, while the sum is 63.

The spelling of 378882551925 in words is "three hundred seventy-eight billion, eight hundred eighty-two million, five hundred fifty-one thousand, nine hundred twenty-five".