79318242047 has 8 divisors (see below), whose sum is σ = 86567086800. Its totient is φ = 72075746560.

The previous prime is 79318242043. The next prime is 79318242089. The reversal of 79318242047 is 74024281397.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79318242047 - 2² = 79318242043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79318241992 and 79318242010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79318242041) 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, 1561172 + ... + 1611177.

It is an arithmetic number, because the mean of its divisors is an integer number (10820885850).

Almost surely, 2^79318242047 is an apocalyptic number.

79318242047 is a deficient number, since it is larger than the sum of its proper divisors (7248844753).

79318242047 is a wasteful number, since it uses less digits than its factorization.

79318242047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174633.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 79318242047 in words is "seventy-nine billion, three hundred eighteen million, two hundred forty-two thousand, forty-seven".