378897897132 has 54 divisors (see below), whose sum is σ = 1017423187508. Its totient is φ = 118869925248.

The previous prime is 378897897109. The next prime is 378897897139. The reversal of 378897897132 is 231798798873.

378897897132 is a `hidden beast` number, since 378 + 89 + 7 + 89 + 71 + 32 = 666.

It is a super-3 number, since 3×378897897132³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (378897897139) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18198838 + ... + 18219645.

Almost surely, 2^378897897132 is an apocalyptic number.

It is an amenable number.

378897897132 is an abundant number, since it is smaller than the sum of its proper divisors (638525290376).

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

378897897132 is a wasteful number, since it uses less digits than its factorization.

378897897132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36418527 (or 36418505 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 72.

The spelling of 378897897132 in words is "three hundred seventy-eight billion, eight hundred ninety-seven million, eight hundred ninety-seven thousand, one hundred thirty-two".