79847293698 has 96 divisors (see below), whose sum is σ = 189187165440. Its totient is φ = 25170270480.

The previous prime is 79847293697. The next prime is 79847293703. The reversal of 79847293698 is 89639274897.

79847293698 is a `hidden beast` number, since 7 + 9 + 8 + 472 + 93 + 69 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (79847293697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5412993 + ... + 5427723.

It is an arithmetic number, because the mean of its divisors is an integer number (1970699640).

Almost surely, 2^79847293698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79847293698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94593582720).

79847293698 is an abundant number, since it is smaller than the sum of its proper divisors (109339871742).

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

79847293698 is a wasteful number, since it uses less digits than its factorization.

79847293698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15354 (or 15342 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 72.

The spelling of 79847293698 in words is "seventy-nine billion, eight hundred forty-seven million, two hundred ninety-three thousand, six hundred ninety-eight".