378635803860 has 24 divisors (see below), whose sum is σ = 1060180250976. Its totient is φ = 100969547680.

The previous prime is 378635803801. The next prime is 378635803877. The reversal of 378635803860 is 68308536873.

It is a happy number.

It is a super-3 number, since 3×378635803860³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378635803860.

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 7 ways as a sum of consecutive naturals, for example, 3155298306 + ... + 3155298425.

It is an arithmetic number, because the mean of its divisors is an integer number (44174177124).

Almost surely, 2^378635803860 is an apocalyptic number.

378635803860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378635803860 is an abundant number, since it is smaller than the sum of its proper divisors (681544447116).

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

378635803860 is a wasteful number, since it uses less digits than its factorization.

378635803860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310596743 (or 6310596741 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 378635803860 in words is "three hundred seventy-eight billion, six hundred thirty-five million, eight hundred three thousand, eight hundred sixty".