28579716 has 99 divisors (see below), whose sum is σ = 82461463. Its totient is φ = 8660520.

The previous prime is 28579709. The next prime is 28579723. The reversal of 28579716 is 61797582.

The square root of 28579716 is 5346.

It is a perfect power (a square), and thus also a powerful number.

28579716 is a `hidden beast` number, since 2 + 8 + 579 + 71 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (28579709) and next prime (28579723).

It is a tau number, because it is divible by the number of its divisors (99).

It is a Duffinian number.

Its product of digits (211680) is a multiple of the sum of its prime divisors (16).

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 32 ways as a sum of consecutive naturals, for example, 2598151 + ... + 2598161.

Almost surely, 2^28579716 is an apocalyptic number.

28579716 is the 5346-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28579716

28579716 is an abundant number, since it is smaller than the sum of its proper divisors (53881747).

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

28579716 is an equidigital number, since it uses as much as digits as its factorization.

28579716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 16 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The cubic root of 28579716 is about 305.7402640249.

The spelling of 28579716 in words is "twenty-eight million, five hundred seventy-nine thousand, seven hundred sixteen".