28862763 has 8 divisors (see below), whose sum is σ = 38857728. Its totient is φ = 19054824.

The previous prime is 28862759. The next prime is 28862773. The reversal of 28862763 is 36726882.

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

It is not a de Polignac number, because 28862763 - 2² = 28862759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28862773) 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, 46395 + ... + 47012.

It is an arithmetic number, because the mean of its divisors is an integer number (4857216).

Almost surely, 2^28862763 is an apocalyptic number.

28862763 is a deficient number, since it is larger than the sum of its proper divisors (9994965).

28862763 is a wasteful number, since it uses less digits than its factorization.

28862763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93513.

The product of its digits is 193536, while the sum is 42.

The square root of 28862763 is about 5372.4075608613. The cubic root of 28862763 is about 306.7462775091.

The spelling of 28862763 in words is "twenty-eight million, eight hundred sixty-two thousand, seven hundred sixty-three".