79894860 has 96 divisors (see below), whose sum is σ = 231517440. Its totient is φ = 20573952.

The previous prime is 79894831. The next prime is 79894897. The reversal of 79894860 is 6849897.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446251 + ... + 446429.

It is an arithmetic number, because the mean of its divisors is an integer number (2411640).

Almost surely, 2^79894860 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 79894860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115758720).

79894860 is an abundant number, since it is smaller than the sum of its proper divisors (151622580).

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

79894860 is a wasteful number, since it uses less digits than its factorization.

79894860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 79894860 is about 8938.3924729226. The cubic root of 79894860 is about 430.6980908653.

The spelling of 79894860 in words is "seventy-nine million, eight hundred ninety-four thousand, eight hundred sixty".