79866126 has 12 divisors (see below), whose sum is σ = 173043312. Its totient is φ = 26622036.

The previous prime is 79866121. The next prime is 79866133. The reversal of 79866126 is 62166897.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79866121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2218486 + ... + 2218521.

It is an arithmetic number, because the mean of its divisors is an integer number (14420276).

Almost surely, 2^79866126 is an apocalyptic number.

79866126 is an abundant number, since it is smaller than the sum of its proper divisors (93177186).

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

79866126 is a wasteful number, since it uses less digits than its factorization.

79866126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437015 (or 4437012 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 79866126 is about 8936.7849923784. The cubic root of 79866126 is about 430.6464514863.

The spelling of 79866126 in words is "seventy-nine million, eight hundred sixty-six thousand, one hundred twenty-six".