28533052407 has 8 divisors (see below), whose sum is σ = 38393098480. Its totient is φ = 18847520640.

The previous prime is 28533052397. The next prime is 28533052417. The reversal of 28533052407 is 70425033582.

It is an interprime number because it is at equal distance from previous prime (28533052397) and next prime (28533052417).

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

It is not a de Polignac number, because 28533052407 - 2⁴ = 28533052391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28533052417) 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, 43628194 + ... + 43628847.

It is an arithmetic number, because the mean of its divisors is an integer number (4799137310).

Almost surely, 2^28533052407 is an apocalyptic number.

28533052407 is a deficient number, since it is larger than the sum of its proper divisors (9860046073).

28533052407 is a wasteful number, since it uses less digits than its factorization.

28533052407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87257153.

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 28533052407 its reverse (70425033582), we get a palindrome (98958085989).

The spelling of 28533052407 in words is "twenty-eight billion, five hundred thirty-three million, fifty-two thousand, four hundred seven".