79658466485812 has 12 divisors (see below), whose sum is σ = 139408117938180. Its totient is φ = 39827575646336.

The previous prime is 79658466485687. The next prime is 79658466485813. The reversal of 79658466485812 is 21858466485697.

It can be written as a sum of positive squares in 2 ways, for example, as 74742871996816 + 4915594488996 = 8645396^2 + 2217114^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79658466485813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414291013 + ... + 414483244.

It is an arithmetic number, because the mean of its divisors is an integer number (11617343161515).

Almost surely, 2^{79658466485812} is an apocalyptic number.

It is an amenable number.

79658466485812 is a deficient number, since it is larger than the sum of its proper divisors (59749651452368).

79658466485812 is a wasteful number, since it uses less digits than its factorization.

79658466485812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828798290 (or 828798288 counting only the distinct ones).

The product of its digits is 5573836800, while the sum is 79.

The spelling of 79658466485812 in words is "seventy-nine trillion, six hundred fifty-eight billion, four hundred sixty-six million, four hundred eighty-five thousand, eight hundred twelve".