28898754560 has 192 divisors, whose sum is σ = 76101447240. Its totient is φ = 10468982784.

The previous prime is 28898754517. The next prime is 28898754569. The reversal of 28898754560 is 6545789882.

It can be written as a sum of positive squares in 4 ways, for example, as 21143486464 + 7755268096 = 145408^2 + 88064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28898754493 and 28898754502.

It is not an unprimeable number, because it can be changed into a prime (28898754569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545259494 + ... + 545259546.

Almost surely, 2^28898754560 is an apocalyptic number.

28898754560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28898754560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38050723620).

28898754560 is an abundant number, since it is smaller than the sum of its proper divisors (47202692680).

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

28898754560 is an frugal number, since it uses more digits than its factorization.

28898754560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 28898754560 in words is "twenty-eight billion, eight hundred ninety-eight million, seven hundred fifty-four thousand, five hundred sixty".