79398503424 has 352 divisors, whose sum is σ = 243891043200. Its totient is φ = 25498091520.

The previous prime is 79398503423. The next prime is 79398503453. The reversal of 79398503424 is 42430589397.

79398503424 is a `hidden beast` number, since 7 + 9 + 3 + 98 + 503 + 42 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (79398503423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100887159 + ... + 100887945.

Almost surely, 2^79398503424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79398503424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121945521600).

79398503424 is an abundant number, since it is smaller than the sum of its proper divisors (164492539776).

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

79398503424 is a wasteful number, since it uses less digits than its factorization.

79398503424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 79398503424 in words is "seventy-nine billion, three hundred ninety-eight million, five hundred three thousand, four hundred twenty-four".