28039805574 has 16 divisors (see below), whose sum is σ = 61177757760. Its totient is φ = 8496910760.

The previous prime is 28039805539. The next prime is 28039805597. The reversal of 28039805574 is 47550893082.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 212422704 + ... + 212422835.

It is an arithmetic number, because the mean of its divisors is an integer number (3823609860).

Almost surely, 2^28039805574 is an apocalyptic number.

28039805574 is an abundant number, since it is smaller than the sum of its proper divisors (33137952186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28039805574 is a wasteful number, since it uses less digits than its factorization.

28039805574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424845555.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 28039805574 in words is "twenty-eight billion, thirty-nine million, eight hundred five thousand, five hundred seventy-four".