79242623451047 has 32 divisors (see below), whose sum is σ = 92693103525504. Its totient is φ = 66336850944000.

The previous prime is 79242623451023. The next prime is 79242623451113. The reversal of 79242623451047 is 74015432624297.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-79242623451047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79242623450983 and 79242623451001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79242623453047) 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, 103557047 + ... + 104319447.

It is an arithmetic number, because the mean of its divisors is an integer number (2896659485172).

Almost surely, 2^{79242623451047} is an apocalyptic number.

79242623451047 is a deficient number, since it is larger than the sum of its proper divisors (13450480074457).

79242623451047 is a wasteful number, since it uses less digits than its factorization.

79242623451047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763739.

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 79242623451047 in words is "seventy-nine trillion, two hundred forty-two billion, six hundred twenty-three million, four hundred fifty-one thousand, forty-seven".