826186428842 has 8 divisors (see below), whose sum is σ = 1243316385696. Its totient is φ = 411747633612.

The previous prime is 826186428841. The next prime is 826186428871. The reversal of 826186428842 is 248824681628.

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

It is not an unprimeable number, because it can be changed into a prime (826186428841) 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, 672789638 + ... + 672790865.

It is an arithmetic number, because the mean of its divisors is an integer number (155414548212).

Almost surely, 2^826186428842 is an apocalyptic number.

826186428842 is a deficient number, since it is larger than the sum of its proper divisors (417129956854).

826186428842 is a wasteful number, since it uses less digits than its factorization.

826186428842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345580812.

The product of its digits is 18874368, while the sum is 59.

The spelling of 826186428842 in words is "eight hundred twenty-six billion, one hundred eighty-six million, four hundred twenty-eight thousand, eight hundred forty-two".