28006532579090 has 64 divisors (see below), whose sum is σ = 54357170176512. Its totient is φ = 10328006304000.

The previous prime is 28006532579057. The next prime is 28006532579107. The reversal of 28006532579090 is 9097523560082.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496075304 + ... + 496131756.

It is an arithmetic number, because the mean of its divisors is an integer number (849330784008).

Almost surely, 2^{28006532579090} is an apocalyptic number.

28006532579090 is a deficient number, since it is larger than the sum of its proper divisors (26350637597422).

28006532579090 is a wasteful number, since it uses less digits than its factorization.

28006532579090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61155.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 28006532579090 in words is "twenty-eight trillion, six billion, five hundred thirty-two million, five hundred seventy-nine thousand, ninety".