28535424876 has 192 divisors, whose sum is σ = 87591848960. Its totient is φ = 7962639552.

The previous prime is 28535424847. The next prime is 28535424877. The reversal of 28535424876 is 67842453582.

28535424876 is a `hidden beast` number, since 2 + 8 + 53 + 542 + 48 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28535424877) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2627730 + ... + 2638566.

Almost surely, 2^28535424876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28535424876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43795924480).

28535424876 is an abundant number, since it is smaller than the sum of its proper divisors (59056424084).

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

28535424876 is a wasteful number, since it uses less digits than its factorization.

28535424876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10912 (or 10892 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The spelling of 28535424876 in words is "twenty-eight billion, five hundred thirty-five million, four hundred twenty-four thousand, eight hundred seventy-six".