78103316008560 has 80 divisors (see below), whose sum is σ = 242121294629280. Its totient is φ = 20827463623680.

The previous prime is 78103316008493. The next prime is 78103316008603. The reversal of 78103316008560 is 6580061330187.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×78103316008560² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73425786 + ... + 74481894.

It is an arithmetic number, because the mean of its divisors is an integer number (3026516182866).

Almost surely, 2^{78103316008560} is an apocalyptic number.

It is an amenable number.

78103316008560 is an abundant number, since it is smaller than the sum of its proper divisors (164017978620720).

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

78103316008560 is a wasteful number, since it uses less digits than its factorization.

78103316008560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364266 (or 1364260 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 78103316008560 in words is "seventy-eight trillion, one hundred three billion, three hundred sixteen million, eight thousand, five hundred sixty".