79687104 has 112 divisors (see below), whose sum is σ = 242962176. Its totient is φ = 22579200.

The previous prime is 79687103. The next prime is 79687117. The reversal of 79687104 is 40178697.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79687103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283444 + ... + 283724.

Almost surely, 2^79687104 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 79687104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121481088).

79687104 is an abundant number, since it is smaller than the sum of its proper divisors (163275072).

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

79687104 is a wasteful number, since it uses less digits than its factorization.

79687104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 79687104 is about 8926.7633552145. The cubic root of 79687104 is about 430.3244423594.

The spelling of 79687104 in words is "seventy-nine million, six hundred eighty-seven thousand, one hundred four".