28952325633868 has 96 divisors (see below), whose sum is σ = 62505722639360. Its totient is φ = 11426715982080.

The previous prime is 28952325633839. The next prime is 28952325633877. The reversal of 28952325633868 is 86833652325982.

It is a junction number, because it is equal to n+sod(n) for n = 28952325633797 and 28952325633806.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351838753 + ... + 351921031.

Almost surely, 2^{28952325633868} is an apocalyptic number.

28952325633868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28952325633868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31252861319680).

28952325633868 is an abundant number, since it is smaller than the sum of its proper divisors (33553397005492).

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

28952325633868 is a wasteful number, since it uses less digits than its factorization.

28952325633868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84567 (or 84565 counting only the distinct ones).

The product of its digits is 895795200, while the sum is 70.

The spelling of 28952325633868 in words is "twenty-eight trillion, nine hundred fifty-two billion, three hundred twenty-five million, six hundred thirty-three thousand, eight hundred sixty-eight".