79827958 has 24 divisors (see below), whose sum is σ = 139741200. Its totient is φ = 34101648.

The previous prime is 79827953. The next prime is 79827961. The reversal of 79827958 is 85972897.

It is a junction number, because it is equal to n+sod(n) for n = 79827899 and 79827908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79827953) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 34048 + ... + 36316.

It is an arithmetic number, because the mean of its divisors is an integer number (5822550).

Almost surely, 2^79827958 is an apocalyptic number.

79827958 is a deficient number, since it is larger than the sum of its proper divisors (59913242).

79827958 is a wasteful number, since it uses less digits than its factorization.

79827958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644 (or 2637 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 55.

The square root of 79827958 is about 8934.6492936209. The cubic root of 79827958 is about 430.5778386143.

The spelling of 79827958 in words is "seventy-nine million, eight hundred twenty-seven thousand, nine hundred fifty-eight".