378728621596 has 24 divisors (see below), whose sum is σ = 720428430960. Its totient is φ = 173164198272.

The previous prime is 378728621549. The next prime is 378728621639. The reversal of 378728621596 is 695126827873.

It is a hoax number, since the sum of its digits (64) 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 7 ways as a sum of consecutive naturals, for example, 34028281 + ... + 34039408.

It is an arithmetic number, because the mean of its divisors is an integer number (30017851290).

Almost surely, 2^378728621596 is an apocalyptic number.

It is an amenable number.

378728621596 is a deficient number, since it is larger than the sum of its proper divisors (341699809364).

378728621596 is a wasteful number, since it uses less digits than its factorization.

378728621596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68067813 (or 68067811 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 64.

The spelling of 378728621596 in words is "three hundred seventy-eight billion, seven hundred twenty-eight million, six hundred twenty-one thousand, five hundred ninety-six".