28736275835 has 8 divisors (see below), whose sum is σ = 34491050160. Its totient is φ = 22984007904.

The previous prime is 28736275823. The next prime is 28736275837. The reversal of 28736275835 is 53857263782.

It is a happy number.

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 28736275835 - 2²⁰ = 28735227259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28736275837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601280 + ... + 647309.

It is an arithmetic number, because the mean of its divisors is an integer number (4311381270).

Almost surely, 2^28736275835 is an apocalyptic number.

28736275835 is a deficient number, since it is larger than the sum of its proper divisors (5754774325).

28736275835 is a wasteful number, since it uses less digits than its factorization.

28736275835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253197.

The product of its digits is 16934400, while the sum is 56.

The spelling of 28736275835 in words is "twenty-eight billion, seven hundred thirty-six million, two hundred seventy-five thousand, eight hundred thirty-five".