79846869452 has 18 divisors (see below), whose sum is σ = 162545413212. Its totient is φ = 34220086824.

The previous prime is 79846869449. The next prime is 79846869457. The reversal of 79846869452 is 25496864897.

It is a super-2 number, since 2×79846869452² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79846869457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203690798 + ... + 203691189.

It is an arithmetic number, because the mean of its divisors is an integer number (9030300734).

Almost surely, 2^79846869452 is an apocalyptic number.

It is an amenable number.

79846869452 is an abundant number, since it is smaller than the sum of its proper divisors (82698543760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79846869452 is a wasteful number, since it uses less digits than its factorization.

79846869452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407382005 (or 407381996 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 68.

The spelling of 79846869452 in words is "seventy-nine billion, eight hundred forty-six million, eight hundred sixty-nine thousand, four hundred fifty-two".