28315852752 has 60 divisors (see below), whose sum is σ = 80403777440. Its totient is φ = 8580559680.

The previous prime is 28315852723. The next prime is 28315852753. The reversal of 28315852752 is 25725851382.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28315852753) 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 11 ways as a sum of consecutive naturals, for example, 2431852 + ... + 2443467.

Almost surely, 2^28315852752 is an apocalyptic number.

28315852752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28315852752 is an abundant number, since it is smaller than the sum of its proper divisors (52087924688).

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

28315852752 is a wasteful number, since it uses less digits than its factorization.

28315852752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875352 (or 4875335 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The spelling of 28315852752 in words is "twenty-eight billion, three hundred fifteen million, eight hundred fifty-two thousand, seven hundred fifty-two".