79690663351 has 8 divisors (see below), whose sum is σ = 86367345344. Its totient is φ = 73092071520.

The previous prime is 79690663289. The next prime is 79690663439. The reversal of 79690663351 is 15336609697.

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

It is not a de Polignac number, because 79690663351 - 2⁷ = 79690663223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79690663292 and 79690663301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79690603351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19520415 + ... + 19524496.

It is an arithmetic number, because the mean of its divisors is an integer number (10795918168).

Almost surely, 2^79690663351 is an apocalyptic number.

79690663351 is a deficient number, since it is larger than the sum of its proper divisors (6676681993).

79690663351 is a wasteful number, since it uses less digits than its factorization.

79690663351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39045081.

The product of its (nonzero) digits is 5511240, while the sum is 55.

The spelling of 79690663351 in words is "seventy-nine billion, six hundred ninety million, six hundred sixty-three thousand, three hundred fifty-one".