78790562984 has 256 divisors, whose sum is σ = 188570419200. Its totient is φ = 30108672000.

The previous prime is 78790562959. The next prime is 78790563029. The reversal of 78790562984 is 48926509787.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78790562984.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 223202552 + ... + 223202904.

It is an arithmetic number, because the mean of its divisors is an integer number (736603200).

Almost surely, 2^78790562984 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 78790562984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94285209600).

78790562984 is an abundant number, since it is smaller than the sum of its proper divisors (109779856216).

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

78790562984 is a wasteful number, since it uses less digits than its factorization.

78790562984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 78790562984 in words is "seventy-eight billion, seven hundred ninety million, five hundred sixty-two thousand, nine hundred eighty-four".