1387080843 has 16 divisors (see below), whose sum is σ = 1857724416. Its totient is φ = 920589440.

The previous prime is 1387080839. The next prime is 1387080853. The reversal of 1387080843 is 3480807831.

It is a cyclic number.

It is not a de Polignac number, because 1387080843 - 2² = 1387080839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1387080795 and 1387080804.

It is not an unprimeable number, because it can be changed into a prime (1387080823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018483 + ... + 1019843.

It is an arithmetic number, because the mean of its divisors is an integer number (116107776).

Almost surely, 2^1387080843 is an apocalyptic number.

1387080843 is a deficient number, since it is larger than the sum of its proper divisors (470643573).

1387080843 is a wasteful number, since it uses less digits than its factorization.

1387080843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1387080843 is about 37243.5342442148. The cubic root of 1387080843 is about 1115.2372270348.

The spelling of 1387080843 in words is "one billion, three hundred eighty-seven million, eighty thousand, eight hundred forty-three".