28645761104 has 40 divisors (see below), whose sum is σ = 56307288960. Its totient is φ = 14115024000.

The previous prime is 28645761071. The next prime is 28645761121. The reversal of 28645761104 is 40116754682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3746117 + ... + 3753755.

It is an arithmetic number, because the mean of its divisors is an integer number (1407682224).

Almost surely, 2^28645761104 is an apocalyptic number.

It is an amenable number.

28645761104 is a deficient number, since it is larger than the sum of its proper divisors (27661527856).

28645761104 is a wasteful number, since it uses less digits than its factorization.

28645761104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019 (or 11013 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 28645761104 in words is "twenty-eight billion, six hundred forty-five million, seven hundred sixty-one thousand, one hundred four".