28255277034 has 64 divisors (see below), whose sum is σ = 63458753280. Its totient is φ = 9318214080.

The previous prime is 28255277009. The next prime is 28255277087. The reversal of 28255277034 is 43077255282.

28255277034 is a `hidden beast` number, since 2 + 8 + 25 + 527 + 70 + 34 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8880924 + ... + 8884104.

It is an arithmetic number, because the mean of its divisors is an integer number (991543020).

Almost surely, 2^28255277034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28255277034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31729376640).

28255277034 is an abundant number, since it is smaller than the sum of its proper divisors (35203476246).

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

28255277034 is a wasteful number, since it uses less digits than its factorization.

28255277034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892 (or 4886 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 28255277034 in words is "twenty-eight billion, two hundred fifty-five million, two hundred seventy-seven thousand, thirty-four".