78468175754544 has 40 divisors (see below), whose sum is σ = 207022421145600. Its totient is φ = 25599546699328.

The previous prime is 78468175754513. The next prime is 78468175754581. The reversal of 78468175754544 is 44545757186487.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17390994144 + ... + 17390998655.

It is an arithmetic number, because the mean of its divisors is an integer number (5175560528640).

Almost surely, 2^{78468175754544} is an apocalyptic number.

It is an amenable number.

78468175754544 is an abundant number, since it is smaller than the sum of its proper divisors (128554245391056).

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

78468175754544 is a wasteful number, since it uses less digits than its factorization.

78468175754544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34781992857 (or 34781992851 counting only the distinct ones).

The product of its digits is 4214784000, while the sum is 75.

The spelling of 78468175754544 in words is "seventy-eight trillion, four hundred sixty-eight billion, one hundred seventy-five million, seven hundred fifty-four thousand, five hundred forty-four".