79748640722 has 8 divisors (see below), whose sum is σ = 119665646256. Its totient is φ = 39860091972.

The previous prime is 79748640691. The next prime is 79748640793. The reversal of 79748640722 is 22704684797.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7107188 + ... + 7118399.

It is an arithmetic number, because the mean of its divisors is an integer number (14958205782).

Almost surely, 2^79748640722 is an apocalyptic number.

79748640722 is a deficient number, since it is larger than the sum of its proper divisors (39917005534).

79748640722 is a wasteful number, since it uses less digits than its factorization.

79748640722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14228392.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 79748640722 in words is "seventy-nine billion, seven hundred forty-eight million, six hundred forty thousand, seven hundred twenty-two".