78541183504 has 45 divisors (see below), whose sum is σ = 177035890797. Its totient is φ = 33657144192.

The previous prime is 78541183463. The next prime is 78541183537. The reversal of 78541183504 is 40538114587.

The square root of 78541183504 is 280252.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 78258943504 + 282240000 = 279748^2 + 16800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7842052 + ... + 7852060.

Almost surely, 2^78541183504 is an apocalyptic number.

78541183504 is the 280252-nd square number.

It is an amenable number.

78541183504 is an abundant number, since it is smaller than the sum of its proper divisors (98494707293).

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

78541183504 is an frugal number, since it uses more digits than its factorization.

78541183504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20040 (or 10018 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 78541183504 in words is "seventy-eight billion, five hundred forty-one million, one hundred eighty-three thousand, five hundred four".