79980002 has 8 divisors (see below), whose sum is σ = 127027116. Its totient is φ = 37637632.

The previous prime is 79979989. The next prime is 79980013. The reversal of 79980002 is 20008997.

It can be written as a sum of positive squares in 2 ways, for example, as 62078641 + 17901361 = 7879^2 + 4231^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176143 + ... + 1176210.

Almost surely, 2^79980002 is an apocalyptic number.

79980002 is a deficient number, since it is larger than the sum of its proper divisors (47047114).

79980002 is a wasteful number, since it uses less digits than its factorization.

79980002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352372.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 79980002 is about 8943.1539179419. The cubic root of 79980002 is about 430.8510313602.

Adding to 79980002 its reverse (20008997), we get a palindrome (99988999).

The spelling of 79980002 in words is "seventy-nine million, nine hundred eighty thousand, two".