28347171006 has 192 divisors, whose sum is σ = 73848360960. Its totient is φ = 7169883840.

The previous prime is 28347170947. The next prime is 28347171007. The reversal of 28347171006 is 60017174382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28347171007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43015105 + ... + 43015763.

It is an arithmetic number, because the mean of its divisors is an integer number (384626880).

Almost surely, 2^28347171006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28347171006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36924180480).

28347171006 is an abundant number, since it is smaller than the sum of its proper divisors (45501189954).

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

28347171006 is a wasteful number, since it uses less digits than its factorization.

28347171006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 28347171006 in words is "twenty-eight billion, three hundred forty-seven million, one hundred seventy-one thousand, six".