378859737920 has 28 divisors (see below), whose sum is σ = 902159751684. Its totient is φ = 151543895040.

The previous prime is 378859737881. The next prime is 378859737931. The reversal of 378859737920 is 29737958873.

It can be written as a sum of positive squares in 2 ways, for example, as 84783462976 + 294076274944 = 291176^2 + 542288^2 .

It is a super-2 number, since 2×378859737920² (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, 591968021 + ... + 591968660.

Almost surely, 2^378859737920 is an apocalyptic number.

It is an amenable number.

378859737920 is an abundant number, since it is smaller than the sum of its proper divisors (523300013764).

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

378859737920 is a wasteful number, since it uses less digits than its factorization.

378859737920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183936698 (or 1183936688 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 68.

The spelling of 378859737920 in words is "three hundred seventy-eight billion, eight hundred fifty-nine million, seven hundred thirty-seven thousand, nine hundred twenty".