79846869450 has 48 divisors (see below), whose sum is σ = 199015387200. Its totient is φ = 21185493120.

The previous prime is 79846869449. The next prime is 79846869457. The reversal of 79846869450 is 5496864897.

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 23 ways as a sum of consecutive naturals, for example, 1307619 + ... + 1367318.

It is an arithmetic number, because the mean of its divisors is an integer number (4146153900).

Almost surely, 2^79846869450 is an apocalyptic number.

79846869450 is an abundant number, since it is smaller than the sum of its proper divisors (119168517750).

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

79846869450 is a wasteful number, since it uses less digits than its factorization.

79846869450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675151 (or 2675146 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 79846869450 in words is "seventy-nine billion, eight hundred forty-six million, eight hundred sixty-nine thousand, four hundred fifty".