1387579907 has 8 divisors (see below), whose sum is σ = 1640488800. Its totient is φ = 1148341824.

The previous prime is 1387579873. The next prime is 1387579927. The reversal of 1387579907 is 7099757831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1387579907 - 2⁸ = 1387579651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1387579927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3417482 + ... + 3417887.

It is an arithmetic number, because the mean of its divisors is an integer number (205061100).

Almost surely, 2^1387579907 is an apocalyptic number.

1387579907 is a deficient number, since it is larger than the sum of its proper divisors (252908893).

1387579907 is an equidigital number, since it uses as much as digits as its factorization.

1387579907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835405.

The product of its (nonzero) digits is 3333960, while the sum is 56.

The square root of 1387579907 is about 37250.2336502739. The cubic root of 1387579907 is about 1115.3709630548.

The spelling of 1387579907 in words is "one billion, three hundred eighty-seven million, five hundred seventy-nine thousand, nine hundred seven".