1387676970015 has 64 divisors (see below), whose sum is σ = 2672537296896. Its totient is φ = 601114453632.

The previous prime is 1387676970011. The next prime is 1387676970077. The reversal of 1387676970015 is 5100796767831.

It is not a de Polignac number, because 1387676970015 - 2² = 1387676970011 is a prime.

It is a super-2 number, since 2×1387676970015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387676970011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2426677 + ... + 2943486.

It is an arithmetic number, because the mean of its divisors is an integer number (41758395264).

Almost surely, 2^{1387676970015} is an apocalyptic number.

1387676970015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1387676970015 is a deficient number, since it is larger than the sum of its proper divisors (1284860326881).

1387676970015 is a wasteful number, since it uses less digits than its factorization.

1387676970015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370308.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 1387676970015 in words is "one trillion, three hundred eighty-seven billion, six hundred seventy-six million, nine hundred seventy thousand, fifteen".