28810546738 has 32 divisors (see below), whose sum is σ = 44235360000. Its totient is φ = 14070369600.

The previous prime is 28810546727. The next prime is 28810546747. The reversal of 28810546738 is 83764501882.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5760763 + ... + 5765761.

It is an arithmetic number, because the mean of its divisors is an integer number (1382355000).

Almost surely, 2^28810546738 is an apocalyptic number.

28810546738 is a deficient number, since it is larger than the sum of its proper divisors (15424813262).

28810546738 is a wasteful number, since it uses less digits than its factorization.

28810546738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 28810546738 in words is "twenty-eight billion, eight hundred ten million, five hundred forty-six thousand, seven hundred thirty-eight".