28547524776 has 192 divisors, whose sum is σ = 78363348480. Its totient is φ = 8655828480.

The previous prime is 28547524769. The next prime is 28547524781. The reversal of 28547524776 is 67742574582.

It is a super-2 number, since 2×28547524776² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42167350 + ... + 42168026.

It is an arithmetic number, because the mean of its divisors is an integer number (408142440).

Almost surely, 2^28547524776 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 28547524776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39181674240).

28547524776 is an abundant number, since it is smaller than the sum of its proper divisors (49815823704).

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

28547524776 is a wasteful number, since it uses less digits than its factorization.

28547524776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 889 counting only the distinct ones).

The product of its digits is 26342400, while the sum is 57.

The spelling of 28547524776 in words is "twenty-eight billion, five hundred forty-seven million, five hundred twenty-four thousand, seven hundred seventy-six".