28438475700708 has 48 divisors (see below), whose sum is σ = 73793327460160. Its totient is φ = 9471270269952.

The previous prime is 28438475700689. The next prime is 28438475700749. The reversal of 28438475700708 is 80700757483482.

It is a happy number.

28438475700708 is a `hidden beast` number, since 28 + 4 + 3 + 8 + 475 + 70 + 0 + 70 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114064210 + ... + 114313257.

Almost surely, 2^{28438475700708} is an apocalyptic number.

It is an amenable number.

28438475700708 is an abundant number, since it is smaller than the sum of its proper divisors (45354851759452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28438475700708 is a wasteful number, since it uses less digits than its factorization.

28438475700708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228378633 (or 228378625 counting only the distinct ones).

The product of its (nonzero) digits is 84295680, while the sum is 63.

The spelling of 28438475700708 in words is "twenty-eight trillion, four hundred thirty-eight billion, four hundred seventy-five million, seven hundred thousand, seven hundred eight".