79727616 has 132 divisors (see below), whose sum is σ = 236944344. Its totient is φ = 25804800.

The previous prime is 79727587. The next prime is 79727617. The reversal of 79727616 is 61672797.

79727616 is a `hidden beast` number, since 7 + 9 + 7 + 27 + 616 = 666.

79727616 is nontrivially palindromic in base 15.

It is not an unprimeable number, because it can be changed into a prime (79727617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377751 + ... + 377961.

Almost surely, 2^79727616 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 79727616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118472172).

79727616 is an abundant number, since it is smaller than the sum of its proper divisors (157216728).

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

79727616 is a wasteful number, since it uses less digits than its factorization.

79727616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 257 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 79727616 is about 8929.0321983964. The cubic root of 79727616 is about 430.3973539912.

The spelling of 79727616 in words is "seventy-nine million, seven hundred twenty-seven thousand, six hundred sixteen".