78417004427024 has 80 divisors (see below), whose sum is σ = 158995610093952. Its totient is φ = 37395849114624.

The previous prime is 78417004427017. The next prime is 78417004427051. The reversal of 78417004427024 is 42072440071487.

It is a super-2 number, since 2×78417004427024² (a number of 29 digits) contains 22 as substring.

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, 191630702 + ... + 192039474.

Almost surely, 2^{78417004427024} 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 78417004427024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79497805046976).

78417004427024 is an abundant number, since it is smaller than the sum of its proper divisors (80578605666928).

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

78417004427024 is a wasteful number, since it uses less digits than its factorization.

78417004427024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410304 (or 410298 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 50.

The spelling of 78417004427024 in words is "seventy-eight trillion, four hundred seventeen billion, four million, four hundred twenty-seven thousand, twenty-four".