28353280158 has 48 divisors (see below), whose sum is σ = 70333001856. Its totient is φ = 8086528080.

The previous prime is 28353280147. The next prime is 28353280169. The reversal of 28353280158 is 85108235382.

28353280158 is a `hidden beast` number, since 2 + 8 + 353 + 280 + 15 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (28353280147) and next prime (28353280169).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128908 + ... + 270783.

It is an arithmetic number, because the mean of its divisors is an integer number (1465270872).

Almost surely, 2^28353280158 is an apocalyptic number.

28353280158 is an abundant number, since it is smaller than the sum of its proper divisors (41979721698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28353280158 is a wasteful number, since it uses less digits than its factorization.

28353280158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400269 (or 400266 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 28353280158 in words is "twenty-eight billion, three hundred fifty-three million, two hundred eighty thousand, one hundred fifty-eight".