5878245164821 has 4 divisors (see below), whose sum is σ = 5878255009644. Its totient is φ = 5878235320000.

The previous prime is 5878245164747. The next prime is 5878245164881. The reversal of 5878245164821 is 1284615428785.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5830365598225 + 47879566596 = 2414615^2 + 218814^2 .

It is a cyclic number.

It is not a de Polignac number, because 5878245164821 - 2¹⁹ = 5878244640533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5878245164821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5878245164881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3964660 + ... + 5241661.

It is an arithmetic number, because the mean of its divisors is an integer number (1469563752411).

Almost surely, 2^{5878245164821} is an apocalyptic number.

It is an amenable number.

5878245164821 is a deficient number, since it is larger than the sum of its proper divisors (9844823).

5878245164821 is an equidigital number, since it uses as much as digits as its factorization.

5878245164821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844822.

The product of its digits is 34406400, while the sum is 61.

The spelling of 5878245164821 in words is "five trillion, eight hundred seventy-eight billion, two hundred forty-five million, one hundred sixty-four thousand, eight hundred twenty-one".