28601448327 has 16 divisors (see below), whose sum is σ = 42375244000. Its totient is φ = 19066404672.

The previous prime is 28601448307. The next prime is 28601448401. The reversal of 28601448327 is 72384410682.

It is a happy number.

28601448327 is a `hidden beast` number, since 2 + 8 + 601 + 4 + 4 + 8 + 32 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-28601448327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28601448307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623949 + ... + 668217.

It is an arithmetic number, because the mean of its divisors is an integer number (2648452750).

Almost surely, 2^28601448327 is an apocalyptic number.

28601448327 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28601448327 is a deficient number, since it is larger than the sum of its proper divisors (13773795673).

28601448327 is a wasteful number, since it uses less digits than its factorization.

28601448327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68207 (or 68201 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 28601448327 in words is "twenty-eight billion, six hundred one million, four hundred forty-eight thousand, three hundred twenty-seven".