985877459 has 4 divisors (see below), whose sum is σ = 1126717104. Its totient is φ = 845037816.

The previous prime is 985877449. The next prime is 985877467. The reversal of 985877459 is 954778589.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 985877459 - 2⁸ = 985877203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985877429) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 70419812 + ... + 70419825.

It is an arithmetic number, because the mean of its divisors is an integer number (281679276).

Almost surely, 2^985877459 is an apocalyptic number.

985877459 is a deficient number, since it is larger than the sum of its proper divisors (140839645).

985877459 is a wasteful number, since it uses less digits than its factorization.

985877459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140839644.

The product of its digits is 25401600, while the sum is 62.

The square root of 985877459 is about 31398.6856253570. The cubic root of 985877459 is about 995.2701501247.

The spelling of 985877459 in words is "nine hundred eighty-five million, eight hundred seventy-seven thousand, four hundred fifty-nine".