106826398578 has 48 divisors (see below), whose sum is σ = 236294210880. Its totient is φ = 34867321632.

The previous prime is 106826398577. The next prime is 106826398633. The reversal of 106826398578 is 875893628601.

106826398578 is a `hidden beast` number, since 1 + 0 + 6 + 8 + 26 + 39 + 8 + 578 = 666.

It is a super-2 number, since 2×106826398578² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106826398577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368553 + ... + 591171.

It is an arithmetic number, because the mean of its divisors is an integer number (4922796060).

Almost surely, 2^106826398578 is an apocalyptic number.

106826398578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

106826398578 is an abundant number, since it is smaller than the sum of its proper divisors (129467812302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106826398578 is a wasteful number, since it uses less digits than its factorization.

106826398578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223183 (or 223180 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 106826398578 in words is "one hundred six billion, eight hundred twenty-six million, three hundred ninety-eight thousand, five hundred seventy-eight".