28858893136 has 10 divisors (see below), whose sum is σ = 55914105482. Its totient is φ = 14429446560.

The previous prime is 28858893121. The next prime is 28858893137. The reversal of 28858893136 is 63139885882.

It can be written as a sum of positive squares in only one way, i.e., 26810787600 + 2048105536 = 163740^2 + 45256^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28858893137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901840395 + ... + 901840426.

Almost surely, 2^28858893136 is an apocalyptic number.

It is an amenable number.

28858893136 is a deficient number, since it is larger than the sum of its proper divisors (27055212346).

28858893136 is a wasteful number, since it uses less digits than its factorization.

28858893136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803680829 (or 1803680823 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 61.

The spelling of 28858893136 in words is "twenty-eight billion, eight hundred fifty-eight million, eight hundred ninety-three thousand, one hundred thirty-six".