79775030002 has 8 divisors (see below), whose sum is σ = 120159070812. Its totient is φ = 39722006400.

The previous prime is 79775029979. The next prime is 79775030003. The reversal of 79775030002 is 20003057797.

It can be written as a sum of positive squares in 2 ways, for example, as 79389261121 + 385768881 = 281761^2 + 19641^2 .

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

It is not an unprimeable number, because it can be changed into a prime (79775030003) 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, 82753699 + ... + 82754662.

Almost surely, 2^79775030002 is an apocalyptic number.

79775030002 is a deficient number, since it is larger than the sum of its proper divisors (40384040810).

79775030002 is a wasteful number, since it uses less digits than its factorization.

79775030002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165508604.

The product of its (nonzero) digits is 92610, while the sum is 40.

Adding to 79775030002 its reverse (20003057797), we get a palindrome (99778087799).

The spelling of 79775030002 in words is "seventy-nine billion, seven hundred seventy-five million, thirty thousand, two".