79793616 has 160 divisors (see below), whose sum is σ = 257126400. Its totient is φ = 20805120.

The previous prime is 79793611. The next prime is 79793629. The reversal of 79793616 is 61639797.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79793611) 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, 184921 + ... + 185351.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 2^79793616 is an apocalyptic number.

79793616 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79793616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128563200).

79793616 is an abundant number, since it is smaller than the sum of its proper divisors (177332784).

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

79793616 is a wasteful number, since it uses less digits than its factorization.

79793616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 491 counting only the distinct ones).

The product of its digits is 428652, while the sum is 48.

The square root of 79793616 is about 8932.7272431212. The cubic root of 79793616 is about 430.5160848735.

The spelling of 79793616 in words is "seventy-nine million, seven hundred ninety-three thousand, six hundred sixteen".