28898440604 has 12 divisors (see below), whose sum is σ = 55169750328. Its totient is φ = 13135654800.

The previous prime is 28898440601. The next prime is 28898440609. The reversal of 28898440604 is 40604489882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28898440601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328391327 + ... + 328391414.

It is an arithmetic number, because the mean of its divisors is an integer number (4597479194).

Almost surely, 2^28898440604 is an apocalyptic number.

It is an amenable number.

28898440604 is a deficient number, since it is larger than the sum of its proper divisors (26271309724).

28898440604 is a wasteful number, since it uses less digits than its factorization.

28898440604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656782756 (or 656782754 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 53.

The spelling of 28898440604 in words is "twenty-eight billion, eight hundred ninety-eight million, four hundred forty thousand, six hundred four".