79216564623833 has 32 divisors (see below), whose sum is σ = 104476210788096. Its totient is φ = 58279246645248.

The previous prime is 79216564623827. The next prime is 79216564623851. The reversal of 79216564623833 is 33832646561297.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 79216564623833 - 2²⁶ = 79216497514969 is a prime.

It is a super-2 number, since 2×79216564623833² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79216564623833.

It is not an unprimeable number, because it can be changed into a prime (79216564623893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308344916 + ... + 308601717.

It is an arithmetic number, because the mean of its divisors is an integer number (3264881587128).

Almost surely, 2^{79216564623833} is an apocalyptic number.

It is an amenable number.

79216564623833 is a deficient number, since it is larger than the sum of its proper divisors (25259646164263).

79216564623833 is a wasteful number, since it uses less digits than its factorization.

79216564623833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616946753.

The product of its digits is 235146240, while the sum is 65.

The spelling of 79216564623833 in words is "seventy-nine trillion, two hundred sixteen billion, five hundred sixty-four million, six hundred twenty-three thousand, eight hundred thirty-three".