28601446875 has 24 divisors (see below), whose sum is σ = 47666042928. Its totient is φ = 15254100000.

The previous prime is 28601446859. The next prime is 28601446921. The reversal of 28601446875 is 57864410682.

It is not a de Polignac number, because 28601446875 - 2⁴ = 28601446859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1516036 + ... + 1534785.

It is an arithmetic number, because the mean of its divisors is an integer number (1986085122).

Almost surely, 2^28601446875 is an apocalyptic number.

28601446875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28601446875 is a deficient number, since it is larger than the sum of its proper divisors (19064596053).

28601446875 is an frugal number, since it uses more digits than its factorization.

28601446875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050849 (or 3050829 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 28601446875 in words is "twenty-eight billion, six hundred one million, four hundred forty-six thousand, eight hundred seventy-five".