28007553333 has 4 divisors (see below), whose sum is σ = 37343404448. Its totient is φ = 18671702220.

The previous prime is 28007553331. The next prime is 28007553347. The reversal of 28007553333 is 33335570082.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28007553333 - 2¹ = 28007553331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28007553291 and 28007553300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28007553331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4667925553 + ... + 4667925558.

It is an arithmetic number, because the mean of its divisors is an integer number (9335851112).

Almost surely, 2^28007553333 is an apocalyptic number.

It is an amenable number.

28007553333 is a deficient number, since it is larger than the sum of its proper divisors (9335851115).

28007553333 is an equidigital number, since it uses as much as digits as its factorization.

28007553333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9335851114.

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 28007553333 in words is "twenty-eight billion, seven million, five hundred fifty-three thousand, three hundred thirty-three".