1538680855 has 16 divisors (see below), whose sum is σ = 1861045344. Its totient is φ = 1221217920.

The previous prime is 1538680849. The next prime is 1538680901. The reversal of 1538680855 is 5580868351.

It is a happy number.

It is not a de Polignac number, because 1538680855 - 2⁵ = 1538680823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1538680799 and 1538680808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737644 + ... + 739726.

It is an arithmetic number, because the mean of its divisors is an integer number (116315334).

Almost surely, 2^1538680855 is an apocalyptic number.

1538680855 is a deficient number, since it is larger than the sum of its proper divisors (322364489).

1538680855 is a wasteful number, since it uses less digits than its factorization.

1538680855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186.

The product of its (nonzero) digits is 1152000, while the sum is 49.

The square root of 1538680855 is about 39226.0226762796. The cubic root of 1538680855 is about 1154.4705268552.

The spelling of 1538680855 in words is "one billion, five hundred thirty-eight million, six hundred eighty thousand, eight hundred fifty-five".