1387485646376 has 32 divisors (see below), whose sum is σ = 2843424103680. Its totient is φ = 631872019200.

The previous prime is 1387485646369. The next prime is 1387485646381. The reversal of 1387485646376 is 6736465847831.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164545790 + ... + 164554221.

It is an arithmetic number, because the mean of its divisors is an integer number (88857003240).

Almost surely, 2^{1387485646376} is an apocalyptic number.

It is an amenable number.

1387485646376 is an abundant number, since it is smaller than the sum of its proper divisors (1455938457304).

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

1387485646376 is a wasteful number, since it uses less digits than its factorization.

1387485646376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329100065 (or 329100061 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 68.

The spelling of 1387485646376 in words is "one trillion, three hundred eighty-seven billion, four hundred eighty-five million, six hundred forty-six thousand, three hundred seventy-six".