78468417187760 has 80 divisors (see below), whose sum is σ = 185603820595200. Its totient is φ = 30846853466880.

The previous prime is 78468417187759. The next prime is 78468417187793. The reversal of 78468417187760 is 6778171486487.

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

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, 29667710 + ... + 32204189.

It is an arithmetic number, because the mean of its divisors is an integer number (2320047757440).

Almost surely, 2^{78468417187760} is an apocalyptic number.

It is an amenable number.

78468417187760 is an abundant number, since it is smaller than the sum of its proper divisors (107135403407440).

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

78468417187760 is a wasteful number, since it uses less digits than its factorization.

78468417187760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61872186 (or 61872180 counting only the distinct ones).

The product of its (nonzero) digits is 708083712, while the sum is 74.

The spelling of 78468417187760 in words is "seventy-eight trillion, four hundred sixty-eight billion, four hundred seventeen million, one hundred eighty-seven thousand, seven hundred sixty".