28575001783036 has 24 divisors (see below), whose sum is σ = 50308741203840. Its totient is φ = 14201086097712.

The previous prime is 28575001783007. The next prime is 28575001783037. The reversal of 28575001783036 is 63038710057582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28575001783037) 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, 9802575 + ... + 12379033.

It is an arithmetic number, because the mean of its divisors is an integer number (2096197550160).

Almost surely, 2^{28575001783036} is an apocalyptic number.

It is an amenable number.

28575001783036 is a deficient number, since it is larger than the sum of its proper divisors (21733739420804).

28575001783036 is a wasteful number, since it uses less digits than its factorization.

28575001783036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593233 (or 2593231 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 28575001783036 in words is "twenty-eight trillion, five hundred seventy-five billion, one million, seven hundred eighty-three thousand, thirty-six".