79492029497 has 4 divisors (see below), whose sum is σ = 80279079396. Its totient is φ = 78704979600.

The previous prime is 79492029481. The next prime is 79492029509.

79492029497 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48354250816 + 31137778681 = 219896^2 + 176459^2 .

It is a cyclic number.

It is not a de Polignac number, because 79492029497 - 2⁴ = 79492029481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79492529497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393524798 + ... + 393524999.

It is an arithmetic number, because the mean of its divisors is an integer number (20069769849).

Almost surely, 2^79492029497 is an apocalyptic number.

It is an amenable number.

79492029497 is a deficient number, since it is larger than the sum of its proper divisors (787049899).

79492029497 is a wasteful number, since it uses less digits than its factorization.

79492029497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787049898.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 79492029497 in words is "seventy-nine billion, four hundred ninety-two million, twenty-nine thousand, four hundred ninety-seven".