28196044517 has 16 divisors (see below), whose sum is σ = 30987688320. Its totient is φ = 25536456000.

The previous prime is 28196044469. The next prime is 28196044519. The reversal of 28196044517 is 71544069182.

It is a happy number.

It is not a de Polignac number, because 28196044517 - 2¹⁶ = 28195978981 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 (28196044519) 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, 813767 + ... + 847707.

It is an arithmetic number, because the mean of its divisors is an integer number (1936730520).

Almost surely, 2^28196044517 is an apocalyptic number.

It is an amenable number.

28196044517 is a deficient number, since it is larger than the sum of its proper divisors (2791643803).

28196044517 is a wasteful number, since it uses less digits than its factorization.

28196044517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35884.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 28196044517 in words is "twenty-eight billion, one hundred ninety-six million, forty-four thousand, five hundred seventeen".