79486680 has 256 divisors, whose sum is σ = 304819200. Its totient is φ = 16128000.

The previous prime is 79486639. The next prime is 79486681. The reversal of 79486680 is 8668497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79486681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316555 + ... + 316805.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 2^79486680 is an apocalyptic number.

79486680 is a gapful number since it is divisible by the number (70) 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 79486680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152409600).

79486680 is an abundant number, since it is smaller than the sum of its proper divisors (225332520).

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

79486680 is a wasteful number, since it uses less digits than its factorization.

79486680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 79486680 is about 8915.5302702644. The cubic root of 79486680 is about 429.9633644649.

The spelling of 79486680 in words is "seventy-nine million, four hundred eighty-six thousand, six hundred eighty".