79909664994733 has 8 divisors (see below), whose sum is σ = 91345522776768. Its totient is φ = 68478855051264.

The previous prime is 79909664994667. The next prime is 79909664994799. The reversal of 79909664994733 is 33749946690997.

It is an interprime number because it is at equal distance from previous prime (79909664994667) and next prime (79909664994799).

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

It is a de Polignac number, because none of the positive numbers 2^k-79909664994733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79909668994733) 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, 1261925716 + ... + 1261989037.

It is an arithmetic number, because the mean of its divisors is an integer number (11418190347096).

Almost surely, 2^{79909664994733} is an apocalyptic number.

It is an amenable number.

79909664994733 is a deficient number, since it is larger than the sum of its proper divisors (11435857782035).

79909664994733 is a wasteful number, since it uses less digits than its factorization.

79909664994733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523919283.

The product of its (nonzero) digits is 14999390784, while the sum is 85.

The spelling of 79909664994733 in words is "seventy-nine trillion, nine hundred nine billion, six hundred sixty-four million, nine hundred ninety-four thousand, seven hundred thirty-three".