78216115328484 has 48 divisors (see below), whose sum is σ = 214213505052288. Its totient is φ = 21743476075008.

The previous prime is 78216115328471. The next prime is 78216115328563. The reversal of 78216115328484 is 48482351161287.

It is a super-2 number, since 2×78216115328484² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

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, 12583027029 + ... + 12583033244.

It is an arithmetic number, because the mean of its divisors is an integer number (4462781355256).

Almost surely, 2^{78216115328484} is an apocalyptic number.

78216115328484 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

78216115328484 is an abundant number, since it is smaller than the sum of its proper divisors (135997389723804).

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

78216115328484 is a wasteful number, since it uses less digits than its factorization.

78216115328484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25166060324 (or 25166060322 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 60.

The spelling of 78216115328484 in words is "seventy-eight trillion, two hundred sixteen billion, one hundred fifteen million, three hundred twenty-eight thousand, four hundred eighty-four".