28306386153 has 12 divisors (see below), whose sum is σ = 40891853808. Its totient is φ = 18868684920.

The previous prime is 28306386139. The next prime is 28306386169. The reversal of 28306386153 is 35168360382.

28306386153 is a `hidden beast` number, since 2 + 8 + 3 + 0 + 638 + 6 + 1 + 5 + 3 = 666.

It is not a de Polignac number, because 28306386153 - 2⁸ = 28306385897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28306386099 and 28306386108.

It is not an unprimeable number, because it can be changed into a prime (28306386103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104643 + ... + 259928.

It is an arithmetic number, because the mean of its divisors is an integer number (3407654484).

Almost surely, 2^28306386153 is an apocalyptic number.

It is an amenable number.

28306386153 is a deficient number, since it is larger than the sum of its proper divisors (12585467655).

28306386153 is a wasteful number, since it uses less digits than its factorization.

28306386153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373204 (or 373201 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 28306386153 in words is "twenty-eight billion, three hundred six million, three hundred eighty-six thousand, one hundred fifty-three".