27435320851 has 16 divisors (see below), whose sum is σ = 30530304000. Its totient is φ = 24521067648.

The previous prime is 27435320833. The next prime is 27435320873. The reversal of 27435320851 is 15802353472.

It is not a de Polignac number, because 27435320851 - 2¹⁷ = 27435189779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27435320551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198051 + ... + 306748.

It is an arithmetic number, because the mean of its divisors is an integer number (1908144000).

Almost surely, 2^27435320851 is an apocalyptic number.

27435320851 is a deficient number, since it is larger than the sum of its proper divisors (3094983149).

27435320851 is a wasteful number, since it uses less digits than its factorization.

27435320851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504978.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 27435320851 in words is "twenty-seven billion, four hundred thirty-five million, three hundred twenty thousand, eight hundred fifty-one".