28484897837 has 8 divisors (see below), whose sum is σ = 32425496640. Its totient is φ = 24769476160.

The previous prime is 28484897827. The next prime is 28484897851. The reversal of 28484897837 is 73879848482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28484897837 - 2⁶ = 28484897773 is a prime.

It is a super-2 number, since 2×28484897837² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28484897827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56294012 + ... + 56294517.

It is an arithmetic number, because the mean of its divisors is an integer number (4053187080).

Almost surely, 2^28484897837 is an apocalyptic number.

It is an amenable number.

28484897837 is a deficient number, since it is larger than the sum of its proper divisors (3940598803).

28484897837 is a wasteful number, since it uses less digits than its factorization.

28484897837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112588563.

The product of its digits is 173408256, while the sum is 68.

The spelling of 28484897837 in words is "twenty-eight billion, four hundred eighty-four million, eight hundred ninety-seven thousand, eight hundred thirty-seven".