826709164 has 24 divisors (see below), whose sum is σ = 1456313040. Its totient is φ = 410628864.

The previous prime is 826709153. The next prime is 826709249. The reversal of 826709164 is 461907628.

It is a self number, because there is not a number n which added to its sum of digits gives 826709164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576192 + ... + 577624.

It is an arithmetic number, because the mean of its divisors is an integer number (60679710).

Almost surely, 2^826709164 is an apocalyptic number.

It is an amenable number.

826709164 is a deficient number, since it is larger than the sum of its proper divisors (629603876).

826709164 is a wasteful number, since it uses less digits than its factorization.

826709164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 826709164 is about 28752.5505651238. The cubic root of 826709164 is about 938.5359599792.

The spelling of 826709164 in words is "eight hundred twenty-six million, seven hundred nine thousand, one hundred sixty-four".