79618828706 has 4 divisors (see below), whose sum is σ = 119428243062. Its totient is φ = 39809414352.

The previous prime is 79618828649. The next prime is 79618828717. The reversal of 79618828706 is 60782881697.

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., 77709925225 + 1908903481 = 278765^2 + 43691^2 .

It is a Curzon number.

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, 19904707175 + ... + 19904707178.

Almost surely, 2^79618828706 is an apocalyptic number.

79618828706 is a deficient number, since it is larger than the sum of its proper divisors (39809414356).

79618828706 is a wasteful number, since it uses less digits than its factorization.

79618828706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39809414355.

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 79618828706 in words is "seventy-nine billion, six hundred eighteen million, eight hundred twenty-eight thousand, seven hundred six".