79696660 has 48 divisors (see below), whose sum is σ = 173924352. Its totient is φ = 30643200.

The previous prime is 79696657. The next prime is 79696667. The reversal of 79696660 is 6669697.

79696660 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

79696660 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79696667) 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, 118084 + ... + 118756.

It is an arithmetic number, because the mean of its divisors is an integer number (3623424).

Almost surely, 2^79696660 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 79696660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86962176).

79696660 is an abundant number, since it is smaller than the sum of its proper divisors (94227692).

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

79696660 is a wasteful number, since it uses less digits than its factorization.

79696660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 79696660 is about 8927.2985835582. The cubic root of 79696660 is about 430.3416430347.

The spelling of 79696660 in words is "seventy-nine million, six hundred ninety-six thousand, six hundred sixty".