79353505939 has 8 divisors (see below), whose sum is σ = 82095995520. Its totient is φ = 76611427200.

The previous prime is 79353505921. The next prime is 79353505993. The reversal of 79353505939 is 93950535397.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79353505939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79353505919) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 319774 + ... + 510844.

It is an arithmetic number, because the mean of its divisors is an integer number (10261999440).

Almost surely, 2^79353505939 is an apocalyptic number.

79353505939 is a deficient number, since it is larger than the sum of its proper divisors (2742489581).

79353505939 is a wasteful number, since it uses less digits than its factorization.

79353505939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205421.

The product of its (nonzero) digits is 17222625, while the sum is 58.

The spelling of 79353505939 in words is "seventy-nine billion, three hundred fifty-three million, five hundred five thousand, nine hundred thirty-nine".