28017770536 has 32 divisors (see below), whose sum is σ = 60569403840. Its totient is φ = 11901351168.

The previous prime is 28017770507. The next prime is 28017770617. The reversal of 28017770536 is 63507771082.

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, 2207466 + ... + 2220121.

It is an arithmetic number, because the mean of its divisors is an integer number (1892793870).

Almost surely, 2^28017770536 is an apocalyptic number.

It is an amenable number.

28017770536 is an abundant number, since it is smaller than the sum of its proper divisors (32551633304).

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

28017770536 is a wasteful number, since it uses less digits than its factorization.

28017770536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427713 (or 4427709 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 28017770536 in words is "twenty-eight billion, seventeen million, seven hundred seventy thousand, five hundred thirty-six".