28203053673 has 16 divisors (see below), whose sum is σ = 38312752896. Its totient is φ = 18450311040.

The previous prime is 28203053657. The next prime is 28203053689. The reversal of 28203053673 is 37635030282.

It is an interprime number because it is at equal distance from previous prime (28203053657) and next prime (28203053689).

It is not a de Polignac number, because 28203053673 - 2⁴ = 28203053657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28203053573) 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, 283713 + ... + 369998.

It is an arithmetic number, because the mean of its divisors is an integer number (2394547056).

Almost surely, 2^28203053673 is an apocalyptic number.

It is an amenable number.

28203053673 is a deficient number, since it is larger than the sum of its proper divisors (10109699223).

28203053673 is a wasteful number, since it uses less digits than its factorization.

28203053673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653984.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 28203053673 in words is "twenty-eight billion, two hundred three million, fifty-three thousand, six hundred seventy-three".