79020002 has 4 divisors (see below), whose sum is σ = 118530006. Its totient is φ = 39510000.

The previous prime is 79019989. The next prime is 79020013. The reversal of 79020002 is 20002097.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78517321 + 502681 = 8861^2 + 709^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19754999 + ... + 19755002.

Almost surely, 2^79020002 is an apocalyptic number.

79020002 is a deficient number, since it is larger than the sum of its proper divisors (39510004).

79020002 is a wasteful number, since it uses less digits than its factorization.

79020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39510003.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 79020002 is about 8889.3195465120. The cubic root of 79020002 is about 429.1202528916.

Adding to 79020002 its reverse (20002097), we get a palindrome (99022099).

The spelling of 79020002 in words is "seventy-nine million, twenty thousand, two".