28147129382652 has 48 divisors (see below), whose sum is σ = 75080464032000. Its totient is φ = 8039738500992.

The previous prime is 28147129382651. The next prime is 28147129382737. The reversal of 28147129382652 is 25628392174182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28147129382651) 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, 47589033 + ... + 48176864.

It is an arithmetic number, because the mean of its divisors is an integer number (1564176334000).

Almost surely, 2^{28147129382652} is an apocalyptic number.

It is an amenable number.

28147129382652 is an abundant number, since it is smaller than the sum of its proper divisors (46933334649348).

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

28147129382652 is a wasteful number, since it uses less digits than its factorization.

28147129382652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95769410 (or 95769408 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 28147129382652 in words is "twenty-eight trillion, one hundred forty-seven billion, one hundred twenty-nine million, three hundred eighty-two thousand, six hundred fifty-two".