28048486489 has 8 divisors (see below), whose sum is σ = 29533187840. Its totient is φ = 26564631696.

The previous prime is 28048486471. The next prime is 28048486513. The reversal of 28048486489 is 98468484082.

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

It is a cyclic number.

It is not a de Polignac number, because 28048486489 - 2²³ = 28040097881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28048486889) 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, 143049 + ... + 276694.

It is an arithmetic number, because the mean of its divisors is an integer number (3691648480).

Almost surely, 2^28048486489 is an apocalyptic number.

It is an amenable number.

28048486489 is a deficient number, since it is larger than the sum of its proper divisors (1484701351).

28048486489 is a wasteful number, since it uses less digits than its factorization.

28048486489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423279.

The product of its (nonzero) digits is 28311552, while the sum is 61.

The spelling of 28048486489 in words is "twenty-eight billion, forty-eight million, four hundred eighty-six thousand, four hundred eighty-nine".