396078276741708 has 144 divisors (see below), whose sum is σ = 1040813312863968. Its totient is φ = 117073843814400.

The previous prime is 396078276741691. The next prime is 396078276741737. The reversal of 396078276741708 is 807147672870693.

It is a self number, because there is not a number n which added to its sum of digits gives 396078276741708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310895260 + ... + 312166652.

It is an arithmetic number, because the mean of its divisors is an integer number (7227870228222).

Almost surely, 2^{396078276741708} 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 396078276741708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520406656431984).

396078276741708 is an abundant number, since it is smaller than the sum of its proper divisors (644735036122260).

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

396078276741708 is a wasteful number, since it uses less digits than its factorization.

396078276741708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276696 (or 1276683 counting only the distinct ones).

The product of its (nonzero) digits is 1194891264, while the sum is 75.

The spelling of 396078276741708 in words is "three hundred ninety-six trillion, seventy-eight billion, two hundred seventy-six million, seven hundred forty-one thousand, seven hundred eight".