28575637996 has 24 divisors (see below), whose sum is σ = 50207734080. Its totient is φ = 14230612992.

The previous prime is 28575637969. The next prime is 28575638057. The reversal of 28575637996 is 69973657582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5174925 + ... + 5180443.

It is an arithmetic number, because the mean of its divisors is an integer number (2091988920).

Almost surely, 2^28575637996 is an apocalyptic number.

It is an amenable number.

28575637996 is a deficient number, since it is larger than the sum of its proper divisors (21632096084).

28575637996 is a wasteful number, since it uses less digits than its factorization.

28575637996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10473 (or 10471 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 67.

The spelling of 28575637996 in words is "twenty-eight billion, five hundred seventy-five million, six hundred thirty-seven thousand, nine hundred ninety-six".