78514869250560 has 320 divisors, whose sum is σ = 260240653246464. Its totient is φ = 20172628377600.

The previous prime is 78514869250547. The next prime is 78514869250627. The reversal of 78514869250560 is 6505296841587.

It is a tau number, because it is divible by the number of its divisors (320).

It is a junction number, because it is equal to n+sod(n) for n = 78514869250491 and 78514869250500.

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, 53317765 + ... + 54770555.

Almost surely, 2^{78514869250560} 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 78514869250560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130120326623232).

78514869250560 is an abundant number, since it is smaller than the sum of its proper divisors (181725783995904).

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

78514869250560 is a wasteful number, since it uses less digits than its factorization.

78514869250560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453075 (or 1453059 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 66.

The spelling of 78514869250560 in words is "seventy-eight trillion, five hundred fourteen billion, eight hundred sixty-nine million, two hundred fifty thousand, five hundred sixty".