28577783358 has 24 divisors (see below), whose sum is σ = 62391196296. Its totient is φ = 9453210000.

The previous prime is 28577783341. The next prime is 28577783371. The reversal of 28577783358 is 85338777582.

28577783358 is a `hidden beast` number, since 2 + 8 + 577 + 7 + 8 + 3 + 3 + 58 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28577783295 and 28577783304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6057393 + ... + 6062108.

It is an arithmetic number, because the mean of its divisors is an integer number (2599633179).

Almost surely, 2^28577783358 is an apocalyptic number.

28577783358 is an abundant number, since it is smaller than the sum of its proper divisors (33813412938).

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

28577783358 is a wasteful number, since it uses less digits than its factorization.

28577783358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119640 (or 12119637 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 63.

The spelling of 28577783358 in words is "twenty-eight billion, five hundred seventy-seven million, seven hundred eighty-three thousand, three hundred fifty-eight".