28427578602472 has 64 divisors (see below), whose sum is σ = 61492211320320. Its totient is φ = 12068078355648.

The previous prime is 28427578602463. The next prime is 28427578602473. The reversal of 28427578602472 is 27420687572482.

It is a super-3 number, since 3×28427578602472³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28427578602473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56090503 + ... + 56595049.

It is an arithmetic number, because the mean of its divisors is an integer number (960815801880).

Almost surely, 2^{28427578602472} 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 28427578602472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30746105660160).

28427578602472 is an abundant number, since it is smaller than the sum of its proper divisors (33064632717848).

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

28427578602472 is a wasteful number, since it uses less digits than its factorization.

28427578602472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514070 (or 514066 counting only the distinct ones).

The product of its (nonzero) digits is 168591360, while the sum is 64.

The spelling of 28427578602472 in words is "twenty-eight trillion, four hundred twenty-seven billion, five hundred seventy-eight million, six hundred two thousand, four hundred seventy-two".