79663686933 has 16 divisors (see below), whose sum is σ = 107052753600. Its totient is φ = 52692683904.

The previous prime is 79663686899. The next prime is 79663687057. The reversal of 79663686933 is 33968636697.

It is a happy number.

It is not a de Polignac number, because 79663686933 - 2¹³ = 79663678741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79663686233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293785 + ... + 495617.

It is an arithmetic number, because the mean of its divisors is an integer number (6690797100).

Almost surely, 2^79663686933 is an apocalyptic number.

It is an amenable number.

79663686933 is a deficient number, since it is larger than the sum of its proper divisors (27389066667).

79663686933 is a wasteful number, since it uses less digits than its factorization.

79663686933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202868.

The product of its digits is 158723712, while the sum is 66.

The spelling of 79663686933 in words is "seventy-nine billion, six hundred sixty-three million, six hundred eighty-six thousand, nine hundred thirty-three".