79873794 has 216 divisors, whose sum is σ = 243000576. Its totient is φ = 18532800.

The previous prime is 79873771. The next prime is 79873811. The reversal of 79873794 is 49737897.

79873794 = 275² + 276² + ... + 638².

It is a self number, because there is not a number n which added to its sum of digits gives 79873794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2576559 + ... + 2576589.

Almost surely, 2^79873794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79873794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121500288).

79873794 is an abundant number, since it is smaller than the sum of its proper divisors (163126782).

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

79873794 is a wasteful number, since it uses less digits than its factorization.

79873794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 67 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 79873794 is about 8937.2139954239. The cubic root of 79873794 is about 430.6602332629.

It can be divided in two parts, 7987 and 3794, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 79873794 in words is "seventy-nine million, eight hundred seventy-three thousand, seven hundred ninety-four".