378657139008 has 56 divisors (see below), whose sum is σ = 1015587877888. Its totient is φ = 124490013696.

The previous prime is 378657138997. The next prime is 378657139019. The reversal of 378657139008 is 800931756873.

It is an interprime number because it is at equal distance from previous prime (378657138997) and next prime (378657139019).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13494016 + ... + 13522047.

Almost surely, 2^378657139008 is an apocalyptic number.

It is an amenable number.

378657139008 is an abundant number, since it is smaller than the sum of its proper divisors (636930738880).

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

378657139008 is a wasteful number, since it uses less digits than its factorization.

378657139008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27016151 (or 27016141 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 378657139008 in words is "three hundred seventy-eight billion, six hundred fifty-seven million, one hundred thirty-nine thousand, eight".