28155802303 has 2 divisors, whose sum is σ = 28155802304. Its totient is φ = 28155802302.

The previous prime is 28155802223. The next prime is 28155802313. The reversal of 28155802303 is 30320855182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28155802303 - 2¹⁷ = 28155671231 is a prime.

It is a super-3 number, since 3×28155802303³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28155802313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14077901151 + 14077901152.

It is an arithmetic number, because the mean of its divisors is an integer number (14077901152).

Almost surely, 2^28155802303 is an apocalyptic number.

28155802303 is a deficient number, since it is larger than the sum of its proper divisors (1).

28155802303 is an equidigital number, since it uses as much as digits as its factorization.

28155802303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 28155802303 in words is "twenty-eight billion, one hundred fifty-five million, eight hundred two thousand, three hundred three".