79996998 has 8 divisors (see below), whose sum is σ = 159994008. Its totient is φ = 26665664.

The previous prime is 79996991. The next prime is 79996999. The reversal of 79996998 is 89969997.

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

79996998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79996991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6666411 + ... + 6666422.

It is an arithmetic number, because the mean of its divisors is an integer number (19999251).

Almost surely, 2^79996998 is an apocalyptic number.

79996998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

79996998 is a wasteful number, since it uses less digits than its factorization.

79996998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332838.

The product of its digits is 19840464, while the sum is 66.

The square root of 79996998 is about 8944.1040915231. The cubic root of 79996998 is about 430.8815482615.

The spelling of 79996998 in words is "seventy-nine million, nine hundred ninety-six thousand, nine hundred ninety-eight".