78531304863000 has 512 divisors, whose sum is σ = 274662754329600. Its totient is φ = 18513460224000.

The previous prime is 78531304862827. The next prime is 78531304863007. The reversal of 78531304863000 is 36840313587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78531304863007) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2426110816 + ... + 2426143184.

It is an arithmetic number, because the mean of its divisors is an integer number (536450692050).

Almost surely, 2^{78531304863000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78531304863000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137331377164800).

78531304863000 is an abundant number, since it is smaller than the sum of its proper divisors (196131449466600).

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

78531304863000 is a wasteful number, since it uses less digits than its factorization.

78531304863000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34428 (or 34414 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 78531304863000 in words is "seventy-eight trillion, five hundred thirty-one billion, three hundred four million, eight hundred sixty-three thousand".