826506427 has 8 divisors (see below), whose sum is σ = 832896000. Its totient is φ = 820128384.

The previous prime is 826506419. The next prime is 826506431. The reversal of 826506427 is 724605628.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 826506427 - 2³ = 826506419 is a prime.

It is a super-2 number, since 2×826506427² = 1366225747744612658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 826506427.

It is not an unprimeable number, because it can be changed into a prime (826506497) 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 7 ways as a sum of consecutive naturals, for example, 188403 + ... + 192739.

It is an arithmetic number, because the mean of its divisors is an integer number (104112000).

Almost surely, 2^826506427 is an apocalyptic number.

826506427 is a deficient number, since it is larger than the sum of its proper divisors (6389573).

826506427 is a wasteful number, since it uses less digits than its factorization.

826506427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 826506427 is about 28749.0248008519. The cubic root of 826506427 is about 938.4592334715.

The spelling of 826506427 in words is "eight hundred twenty-six million, five hundred six thousand, four hundred twenty-seven".