78983408222208 has 384 divisors, whose sum is σ = 261094491309600. Its totient is φ = 22538316939264.

The previous prime is 78983408222197. The next prime is 78983408222221. The reversal of 78983408222208 is 80222280438987.

78983408222208 is a `hidden beast` number, since 7 + 8 + 9 + 8 + 340 + 82 + 2 + 2 + 208 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1670063010 + ... + 1670110302.

Almost surely, 2^{78983408222208} 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 78983408222208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130547245654800).

78983408222208 is an abundant number, since it is smaller than the sum of its proper divisors (182111083087392).

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

78983408222208 is an equidigital number, since it uses as much as digits as its factorization.

78983408222208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48145 (or 48114 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 63.

The spelling of 78983408222208 in words is "seventy-eight trillion, nine hundred eighty-three billion, four hundred eight million, two hundred twenty-two thousand, two hundred eight".