28655225033 has 8 divisors (see below), whose sum is σ = 29271939840. Its totient is φ = 28038803200.

The previous prime is 28655225029. The next prime is 28655225059. The reversal of 28655225033 is 33052255682.

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 28655225033 - 2² = 28655225029 is a prime.

It is a super-2 number, since 2×28655225033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28655225063) 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, 130508 + ... + 272658.

It is an arithmetic number, because the mean of its divisors is an integer number (3658992480).

Almost surely, 2^28655225033 is an apocalyptic number.

It is an amenable number.

28655225033 is a deficient number, since it is larger than the sum of its proper divisors (616714807).

28655225033 is a wasteful number, since it uses less digits than its factorization.

28655225033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146487.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 28655225033 in words is "twenty-eight billion, six hundred fifty-five million, two hundred twenty-five thousand, thirty-three".