79803066 has 64 divisors (see below), whose sum is σ = 197164800. Its totient is φ = 21450240.

The previous prime is 79803023. The next prime is 79803079. The reversal of 79803066 is 66030897.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33846 + ... + 36126.

It is an arithmetic number, because the mean of its divisors is an integer number (3080700).

Almost surely, 2^79803066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79803066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98582400).

79803066 is an abundant number, since it is smaller than the sum of its proper divisors (117361734).

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

79803066 is a wasteful number, since it uses less digits than its factorization.

79803066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 79803066 is about 8933.2561812589. The cubic root of 79803066 is about 430.5330796182.

The spelling of 79803066 in words is "seventy-nine million, eight hundred three thousand, sixty-six".