855076039 has 2 divisors, whose sum is σ = 855076040. Its totient is φ = 855076038.

The previous prime is 855076003. The next prime is 855076051. The reversal of 855076039 is 930670558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 855076039 - 2¹⁹ = 854551751 is a prime.

It is equal to p_43828729 and since 855076039 and 43828729 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 855075986 and 855076004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855076099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427538019 + 427538020.

It is an arithmetic number, because the mean of its divisors is an integer number (427538020).

Almost surely, 2^855076039 is an apocalyptic number.

855076039 is a deficient number, since it is larger than the sum of its proper divisors (1).

855076039 is an equidigital number, since it uses as much as digits as its factorization.

855076039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 855076039 is about 29241.6832449844. The cubic root of 855076039 is about 949.1501315332.

The spelling of 855076039 in words is "eight hundred fifty-five million, seventy-six thousand, thirty-nine".