28002755253 has 8 divisors (see below), whose sum is σ = 40731280416. Its totient is φ = 16971366800.

The previous prime is 28002755233. The next prime is 28002755309. The reversal of 28002755253 is 35255720082.

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 28002755253 - 2¹³ = 28002747061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28002755203) 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, 424284138 + ... + 424284203.

It is an arithmetic number, because the mean of its divisors is an integer number (5091410052).

Almost surely, 2^28002755253 is an apocalyptic number.

It is an amenable number.

28002755253 is a deficient number, since it is larger than the sum of its proper divisors (12728525163).

28002755253 is a wasteful number, since it uses less digits than its factorization.

28002755253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848568355.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 28002755253 in words is "twenty-eight billion, two million, seven hundred fifty-five thousand, two hundred fifty-three".