78501519360 has 784 divisors, whose sum is σ = 309426376320. Its totient is φ = 18951045120.

The previous prime is 78501519337. The next prime is 78501519373. The reversal of 78501519360 is 6391510587.

It is a happy number.

78501519360 is a `hidden beast` number, since 7 + 8 + 501 + 51 + 93 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 328458121 + ... + 328458359.

Almost surely, 2^78501519360 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 78501519360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154713188160).

78501519360 is an abundant number, since it is smaller than the sum of its proper divisors (230924856960).

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

78501519360 is an equidigital number, since it uses as much as digits as its factorization.

78501519360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 78501519360 in words is "seventy-eight billion, five hundred one million, five hundred nineteen thousand, three hundred sixty".