1387379206790 has 64 divisors (see below), whose sum is σ = 2595663947520. Its totient is φ = 533634614400.

The previous prime is 1387379206789. The next prime is 1387379206859. The reversal of 1387379206790 is 976029737831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4805717 + ... + 5086223.

It is an arithmetic number, because the mean of its divisors is an integer number (40557249180).

Almost surely, 2^{1387379206790} is an apocalyptic number.

1387379206790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1387379206790 is a deficient number, since it is larger than the sum of its proper divisors (1208284740730).

1387379206790 is a wasteful number, since it uses less digits than its factorization.

1387379206790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280757.

The product of its (nonzero) digits is 24004512, while the sum is 62.

The spelling of 1387379206790 in words is "one trillion, three hundred eighty-seven billion, three hundred seventy-nine million, two hundred six thousand, seven hundred ninety".