28374832333 has 4 divisors (see below), whose sum is σ = 28466070048. Its totient is φ = 28283594620.

The previous prime is 28374832307. The next prime is 28374832373. The reversal of 28374832333 is 33323847382.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28374832333 is a prime.

It is a super-2 number, since 2×28374832333² (a number of 22 digits) contains 22 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 (28374832373) 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, 45618391 + ... + 45619012.

It is an arithmetic number, because the mean of its divisors is an integer number (7116517512).

Almost surely, 2^28374832333 is an apocalyptic number.

It is an amenable number.

28374832333 is a deficient number, since it is larger than the sum of its proper divisors (91237715).

28374832333 is an equidigital number, since it uses as much as digits as its factorization.

28374832333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91237714.

The product of its digits is 1741824, while the sum is 46.

The spelling of 28374832333 in words is "twenty-eight billion, three hundred seventy-four million, eight hundred thirty-two thousand, three hundred thirty-three".