79609466517 has 64 divisors (see below), whose sum is σ = 127455068160. Its totient is φ = 43245028800.

The previous prime is 79609466513. The next prime is 79609466557. The reversal of 79609466517 is 71566490697.

It is not a de Polignac number, because 79609466517 - 2² = 79609466513 is a prime.

It is a super-2 number, since 2×79609466517² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79609466513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9667792 + ... + 9676022.

It is an arithmetic number, because the mean of its divisors is an integer number (1991485440).

Almost surely, 2^79609466517 is an apocalyptic number.

It is an amenable number.

79609466517 is a deficient number, since it is larger than the sum of its proper divisors (47845601643).

79609466517 is a wasteful number, since it uses less digits than its factorization.

79609466517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 79609466517 in words is "seventy-nine billion, six hundred nine million, four hundred sixty-six thousand, five hundred seventeen".