28054485670 has 16 divisors (see below), whose sum is σ = 50527447488. Its totient is φ = 11215266880.

The previous prime is 28054485623. The next prime is 28054485673. The reversal of 28054485670 is 7658445082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28054485673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797854 + ... + 832273.

It is an arithmetic number, because the mean of its divisors is an integer number (3157965468).

Almost surely, 2^28054485670 is an apocalyptic number.

28054485670 is a deficient number, since it is larger than the sum of its proper divisors (22472961818).

28054485670 is a wasteful number, since it uses less digits than its factorization.

28054485670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631855.

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 28054485670 in words is "twenty-eight billion, fifty-four million, four hundred eighty-five thousand, six hundred seventy".