8442279662548 has 12 divisors (see below), whose sum is σ = 15283437320340. Its totient is φ = 4075583285312.

The previous prime is 8442279662497. The next prime is 8442279662563. The reversal of 8442279662548 is 8452669722448.

It can be written as a sum of positive squares in 2 ways, for example, as 3545432916624 + 4896846745924 = 1882932^2 + 2212882^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36389136361 + ... + 36389136592.

It is an arithmetic number, because the mean of its divisors is an integer number (1273619776695).

Almost surely, 2^{8442279662548} is an apocalyptic number.

It is an amenable number.

8442279662548 is a deficient number, since it is larger than the sum of its proper divisors (6841157657792).

8442279662548 is a wasteful number, since it uses less digits than its factorization.

8442279662548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72778272986 (or 72778272984 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 67.

The spelling of 8442279662548 in words is "eight trillion, four hundred forty-two billion, two hundred seventy-nine million, six hundred sixty-two thousand, five hundred forty-eight".