79012345684 has 6 divisors (see below), whose sum is σ = 138271604954. Its totient is φ = 39506172840.

The previous prime is 79012345681. The next prime is 79012345693. The reversal of 79012345684 is 48654321097.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76132950084 + 2879395600 = 275922^2 + 53660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79012345681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9876543207 + ... + 9876543214.

It is a 1-persistent number, because it is pandigital, but 2⋅79012345684 = 158024691368 is not.

Almost surely, 2^79012345684 is an apocalyptic number.

It is an amenable number.

79012345684 is a deficient number, since it is larger than the sum of its proper divisors (59259259270).

79012345684 is a wasteful number, since it uses less digits than its factorization.

79012345684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753086425 (or 19753086423 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 79012345684 in words is "seventy-nine billion, twelve million, three hundred forty-five thousand, six hundred eighty-four".