1385876873 has 8 divisors (see below), whose sum is σ = 1491455880. Its totient is φ = 1282970880.

The previous prime is 1385876867. The next prime is 1385876879. The reversal of 1385876873 is 3786785831.

It is an interprime number because it is at equal distance from previous prime (1385876867) and next prime (1385876879).

It can be written as a sum of positive squares in 4 ways, for example, as 161086864 + 1224790009 = 12692^2 + 34997^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1385876873 - 2⁴ = 1385876857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385876879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667178 + ... + 669251.

It is an arithmetic number, because the mean of its divisors is an integer number (186431985).

Almost surely, 2^1385876873 is an apocalyptic number.

It is an amenable number.

1385876873 is a deficient number, since it is larger than the sum of its proper divisors (105579007).

1385876873 is a wasteful number, since it uses less digits than its factorization.

1385876873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336507.

The product of its digits is 6773760, while the sum is 56.

The square root of 1385876873 is about 37227.3672585102. The cubic root of 1385876873 is about 1114.9144626614.

The spelling of 1385876873 in words is "one billion, three hundred eighty-five million, eight hundred seventy-six thousand, eight hundred seventy-three".