28773699 has 8 divisors (see below), whose sum is σ = 38645520. Its totient is φ = 19042176.

The previous prime is 28773697. The next prime is 28773709. The reversal of 28773699 is 99637782.

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

It is not a de Polignac number, because 28773699 - 2¹ = 28773697 is a prime.

28773699 is a modest number, since divided by 3699 gives 2877 as remainder.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (28773697) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34594 + ... + 35415.

It is an arithmetic number, because the mean of its divisors is an integer number (4830690).

Almost surely, 2^28773699 is an apocalyptic number.

28773699 is a deficient number, since it is larger than the sum of its proper divisors (9871821).

28773699 is a wasteful number, since it uses less digits than its factorization.

28773699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70149.

The product of its digits is 1143072, while the sum is 51.

The square root of 28773699 is about 5364.1121352932. The cubic root of 28773699 is about 306.4304357223.

The spelling of 28773699 in words is "twenty-eight million, seven hundred seventy-three thousand, six hundred ninety-nine".