79820983958 has 8 divisors (see below), whose sum is σ = 121247064480. Its totient is φ = 39405295800.

The previous prime is 79820983951. The next prime is 79820983993. The reversal of 79820983958 is 85938902897.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79820983951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252597893 + ... + 252598208.

It is an arithmetic number, because the mean of its divisors is an integer number (15155883060).

Almost surely, 2^79820983958 is an apocalyptic number.

79820983958 is a deficient number, since it is larger than the sum of its proper divisors (41426080522).

79820983958 is a wasteful number, since it uses less digits than its factorization.

79820983958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505196182.

The product of its (nonzero) digits is 78382080, while the sum is 68.

The spelling of 79820983958 in words is "seventy-nine billion, eight hundred twenty million, nine hundred eighty-three thousand, nine hundred fifty-eight".