28076155200 has 420 divisors, whose sum is σ = 107699312160. Its totient is φ = 7160693760.

The previous prime is 28076155189. The next prime is 28076155241. The reversal of 28076155200 is 255167082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2976091 + ... + 2985509.

Almost surely, 2^28076155200 is an apocalyptic number.

28076155200 is a gapful number since it is divisible by the number (20) 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 28076155200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53849656080).

28076155200 is an abundant number, since it is smaller than the sum of its proper divisors (79623156960).

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

28076155200 is a wasteful number, since it uses less digits than its factorization.

28076155200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 28076155200 in words is "twenty-eight billion, seventy-six million, one hundred fifty-five thousand, two hundred".