79860580 has 12 divisors (see below), whose sum is σ = 167707260. Its totient is φ = 31944224.

The previous prime is 79860563. The next prime is 79860601. The reversal of 79860580 is 8506897.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40220964 + 39639616 = 6342^2 + 6296^2 .

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 3 ways as a sum of consecutive naturals, for example, 1996495 + ... + 1996534.

It is an arithmetic number, because the mean of its divisors is an integer number (13975605).

Almost surely, 2^79860580 is an apocalyptic number.

It is an amenable number.

79860580 is an abundant number, since it is smaller than the sum of its proper divisors (87846680).

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

79860580 is a wasteful number, since it uses less digits than its factorization.

79860580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993038 (or 3993036 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 79860580 is about 8936.4746964337. The cubic root of 79860580 is about 430.6364830528.

The spelling of 79860580 in words is "seventy-nine million, eight hundred sixty thousand, five hundred eighty".