28200679 has 8 divisors (see below), whose sum is σ = 30666272. Its totient is φ = 25777440.

The previous prime is 28200677. The next prime is 28200721. The reversal of 28200679 is 97600282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28200679 - 2¹ = 28200677 is a prime.

It is a super-2 number, since 2×28200679² = 1590556592122082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28200677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9192 + ... + 11869.

It is an arithmetic number, because the mean of its divisors is an integer number (3833284).

Almost surely, 2^28200679 is an apocalyptic number.

28200679 is a deficient number, since it is larger than the sum of its proper divisors (2465593).

28200679 is a wasteful number, since it uses less digits than its factorization.

28200679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21177.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 28200679 is about 5310.4311501045. The cubic root of 28200679 is about 304.3826228753.

The spelling of 28200679 in words is "twenty-eight million, two hundred thousand, six hundred seventy-nine".