384978664080 has 160 divisors (see below), whose sum is σ = 1338431299200. Its totient is φ = 101701467648.

The previous prime is 384978664067. The next prime is 384978664093. The reversal of 384978664080 is 80466879483.

384978664080 is a `hidden beast` number, since 3 + 8 + 497 + 8 + 6 + 64 + 0 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (384978664067) and next prime (384978664093).

It is a junction number, because it is equal to n+sod(n) for n = 384978663999 and 384978664017.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601735 + ... + 1063974.

It is an arithmetic number, because the mean of its divisors is an integer number (8365195620).

Almost surely, 2^384978664080 is an apocalyptic number.

384978664080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

384978664080 is an abundant number, since it is smaller than the sum of its proper divisors (953452635120).

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

384978664080 is a wasteful number, since it uses less digits than its factorization.

384978664080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665838 (or 1665826 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 384978664080 in words is "three hundred eighty-four billion, nine hundred seventy-eight million, six hundred sixty-four thousand, eighty".