78286210980 has 192 divisors, whose sum is σ = 233020392192. Its totient is φ = 19610173440.

The previous prime is 78286210979. The next prime is 78286211009. The reversal of 78286210980 is 8901268287.

It is a happy number.

It is a super-2 number, since 2×78286210980² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8824507 + ... + 8833373.

It is an arithmetic number, because the mean of its divisors is an integer number (1213647876).

Almost surely, 2^78286210980 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 78286210980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116510196096).

78286210980 is an abundant number, since it is smaller than the sum of its proper divisors (154734181212).

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

78286210980 is a wasteful number, since it uses less digits than its factorization.

78286210980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054 (or 9052 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 78286210980 in words is "seventy-eight billion, two hundred eighty-six million, two hundred ten thousand, nine hundred eighty".