28872492473 has 16 divisors (see below), whose sum is σ = 33338235840. Its totient is φ = 24728846400.

The previous prime is 28872492469. The next prime is 28872492491. The reversal of 28872492473 is 37429427882.

It is a cyclic number.

It is not a de Polignac number, because 28872492473 - 2² = 28872492469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28872492443) 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, 343790 + ... + 419447.

It is an arithmetic number, because the mean of its divisors is an integer number (2083639740).

Almost surely, 2^28872492473 is an apocalyptic number.

It is an amenable number.

28872492473 is a deficient number, since it is larger than the sum of its proper divisors (4465743367).

28872492473 is a wasteful number, since it uses less digits than its factorization.

28872492473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763448.

The product of its digits is 10838016, while the sum is 56.

The spelling of 28872492473 in words is "twenty-eight billion, eight hundred seventy-two million, four hundred ninety-two thousand, four hundred seventy-three".