78882218376 has 128 divisors (see below), whose sum is σ = 229595452800. Its totient is φ = 22372485120.

The previous prime is 78882218351. The next prime is 78882218407. The reversal of 78882218376 is 67381228887.

It is a super-3 number, since 3×78882218376³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39516 + ... + 399156.

It is an arithmetic number, because the mean of its divisors is an integer number (1793714475).

Almost surely, 2^78882218376 is an apocalyptic number.

78882218376 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78882218376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114797726400).

78882218376 is an abundant number, since it is smaller than the sum of its proper divisors (150713234424).

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

78882218376 is a wasteful number, since it uses less digits than its factorization.

78882218376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359719 (or 359715 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 60.

The spelling of 78882218376 in words is "seventy-eight billion, eight hundred eighty-two million, two hundred eighteen thousand, three hundred seventy-six".