28085040890461 has 8 divisors (see below), whose sum is σ = 28971502914464. Its totient is φ = 27212322463920.

The previous prime is 28085040890429. The next prime is 28085040890479. The reversal of 28085040890461 is 16409804058082.

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 28085040890461 - 2⁵ = 28085040890429 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 (28085040390461) 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, 3435895215 + ... + 3435903388.

It is an arithmetic number, because the mean of its divisors is an integer number (3621437864308).

Almost surely, 2^{28085040890461} is an apocalyptic number.

It is an amenable number.

28085040890461 is a deficient number, since it is larger than the sum of its proper divisors (886462024003).

28085040890461 is an equidigital number, since it uses as much as digits as its factorization.

28085040890461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871798731.

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 28085040890461 in words is "twenty-eight trillion, eighty-five billion, forty million, eight hundred ninety thousand, four hundred sixty-one".