79471263707017 has 48 divisors (see below), whose sum is σ = 107234417357760. Its totient is φ = 58183649612928.

The previous prime is 79471263706963. The next prime is 79471263707021. The reversal of 79471263707017 is 71070736217497.

It is a de Polignac number, because none of the positive numbers 2^k-79471263707017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79471263707317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75831258 + ... + 76872115.

It is an arithmetic number, because the mean of its divisors is an integer number (2234050361620).

Almost surely, 2^{79471263707017} is an apocalyptic number.

It is an amenable number.

79471263707017 is a deficient number, since it is larger than the sum of its proper divisors (27763153650743).

79471263707017 is a wasteful number, since it uses less digits than its factorization.

79471263707017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152703462 (or 152703455 counting only the distinct ones).

The product of its (nonzero) digits is 21781872, while the sum is 61.

The spelling of 79471263707017 in words is "seventy-nine trillion, four hundred seventy-one billion, two hundred sixty-three million, seven hundred seven thousand, seventeen".