1387626376264 has 16 divisors (see below), whose sum is σ = 2615006562300. Its totient is φ = 690291292992.

The previous prime is 1387626376259. The next prime is 1387626376277. The reversal of 1387626376264 is 4626736267831.

It can be written as a sum of positive squares in 2 ways, for example, as 1251422568900 + 136203807364 = 1118670^2 + 369058^2 .

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 3 ways as a sum of consecutive naturals, for example, 440235219 + ... + 440238370.

Almost surely, 2^{1387626376264} is an apocalyptic number.

It is an amenable number.

1387626376264 is a deficient number, since it is larger than the sum of its proper divisors (1227380186036).

1387626376264 is a wasteful number, since it uses less digits than its factorization.

1387626376264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880473792 (or 880473788 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 61.

The spelling of 1387626376264 in words is "one trillion, three hundred eighty-seven billion, six hundred twenty-six million, three hundred seventy-six thousand, two hundred sixty-four".