79668036 has 96 divisors (see below), whose sum is σ = 239151360. Its totient is φ = 22744800.

The previous prime is 79668031. The next prime is 79668037. The reversal of 79668036 is 63086697.

It is a junction number, because it is equal to n+sod(n) for n = 79667982 and 79668000.

It is not an unprimeable number, because it can be changed into a prime (79668031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60586 + ... + 61886.

It is an arithmetic number, because the mean of its divisors is an integer number (2491160).

Almost surely, 2^79668036 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 79668036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119575680).

79668036 is an abundant number, since it is smaller than the sum of its proper divisors (159483324).

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

79668036 is a wasteful number, since it uses less digits than its factorization.

79668036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 79668036 is about 8925.6952670366. The cubic root of 79668036 is about 430.2901160983.

The spelling of 79668036 in words is "seventy-nine million, six hundred sixty-eight thousand, thirty-six".