1378574879548 has 12 divisors (see below), whose sum is σ = 2495695902840. Its totient is φ = 665518907312.

The previous prime is 1378574879537. The next prime is 1378574879551. The reversal of 1378574879548 is 8459784758731.

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, 5942132986 + ... + 5942133217.

It is an arithmetic number, because the mean of its divisors is an integer number (207974658570).

Almost surely, 2^{1378574879548} is an apocalyptic number.

It is an amenable number.

1378574879548 is a deficient number, since it is larger than the sum of its proper divisors (1117121023292).

1378574879548 is a wasteful number, since it uses less digits than its factorization.

1378574879548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11884266236 (or 11884266234 counting only the distinct ones).

The product of its digits is 1896652800, while the sum is 76.

The spelling of 1378574879548 in words is "one trillion, three hundred seventy-eight billion, five hundred seventy-four million, eight hundred seventy-nine thousand, five hundred forty-eight".