826853559987 has 32 divisors (see below), whose sum is σ = 1359080235520. Its totient is φ = 435437856000.

The previous prime is 826853559941. The next prime is 826853559989. The reversal of 826853559987 is 789955358628.

It is not a de Polignac number, because 826853559987 - 2¹⁴ = 826853543603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (826853559989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2277514 + ... + 2615487.

It is an arithmetic number, because the mean of its divisors is an integer number (42471257360).

Almost surely, 2^826853559987 is an apocalyptic number.

826853559987 is a deficient number, since it is larger than the sum of its proper divisors (532226675533).

826853559987 is a wasteful number, since it uses less digits than its factorization.

826853559987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893643.

The product of its digits is 1306368000, while the sum is 75.

The spelling of 826853559987 in words is "eight hundred twenty-six billion, eight hundred fifty-three million, five hundred fifty-nine thousand, nine hundred eighty-seven".