7448487421885 has 8 divisors (see below), whose sum is σ = 8938239926616. Its totient is φ = 5958753257280.

The previous prime is 7448487421873. The next prime is 7448487421891. The reversal of 7448487421885 is 5881247848447.

It can be written as a sum of positive squares in 4 ways, for example, as 3789675930681 + 3658811491204 = 1946709^2 + 1912802^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7448487421885 - 2⁹ = 7448487421373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3675126 + ... + 5329495.

It is an arithmetic number, because the mean of its divisors is an integer number (1117279990827).

Almost surely, 2^{7448487421885} is an apocalyptic number.

It is an amenable number.

7448487421885 is a deficient number, since it is larger than the sum of its proper divisors (1489752504731).

7448487421885 is a wasteful number, since it uses less digits than its factorization.

7448487421885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9170063.

The product of its digits is 513802240, while the sum is 70.

The spelling of 7448487421885 in words is "seven trillion, four hundred forty-eight billion, four hundred eighty-seven million, four hundred twenty-one thousand, eight hundred eighty-five".