28151584813 has 8 divisors (see below), whose sum is σ = 30712615200. Its totient is φ = 25590853680.

The previous prime is 28151584777. The next prime is 28151584829. The reversal of 28151584813 is 31848515182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28151584813 - 2²¹ = 28149487661 is a prime.

It is a super-3 number, since 3×28151584813³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28151504813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151731 + ... + 281647.

It is an arithmetic number, because the mean of its divisors is an integer number (3839076900).

Almost surely, 2^28151584813 is an apocalyptic number.

It is an amenable number.

28151584813 is a deficient number, since it is larger than the sum of its proper divisors (2561030387).

28151584813 is a wasteful number, since it uses less digits than its factorization.

28151584813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149627.

The product of its digits is 307200, while the sum is 46.

The spelling of 28151584813 in words is "twenty-eight billion, one hundred fifty-one million, five hundred eighty-four thousand, eight hundred thirteen".