28862248628 has 12 divisors (see below), whose sum is σ = 50510283012. Its totient is φ = 14430739200.

The previous prime is 28862248621. The next prime is 28862248643. The reversal of 28862248628 is 82684226882.

It can be written as a sum of positive squares in 2 ways, for example, as 27162995344 + 1699253284 = 164812^2 + 41222^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28862248621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133028 + ... + 274628.

It is an arithmetic number, because the mean of its divisors is an integer number (4209190251).

Almost surely, 2^28862248628 is an apocalyptic number.

It is an amenable number.

28862248628 is a deficient number, since it is larger than the sum of its proper divisors (21648034384).

28862248628 is a wasteful number, since it uses less digits than its factorization.

28862248628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192562 (or 192560 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 56.

The spelling of 28862248628 in words is "twenty-eight billion, eight hundred sixty-two million, two hundred forty-eight thousand, six hundred twenty-eight".