28552125547 has 8 divisors (see below), whose sum is σ = 31188928752. Its totient is φ = 25922181600.

The previous prime is 28552125541. The next prime is 28552125571. The reversal of 28552125547 is 74552125582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28552125547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28552125497 and 28552125506.

It is not an unprimeable number, because it can be changed into a prime (28552125541) 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, 1706104 + ... + 1722757.

It is an arithmetic number, because the mean of its divisors is an integer number (3898616094).

Almost surely, 2^28552125547 is an apocalyptic number.

28552125547 is a deficient number, since it is larger than the sum of its proper divisors (2636803205).

28552125547 is a wasteful number, since it uses less digits than its factorization.

28552125547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429629.

The product of its digits is 1120000, while the sum is 46.

The spelling of 28552125547 in words is "twenty-eight billion, five hundred fifty-two million, one hundred twenty-five thousand, five hundred forty-seven".