28062031872 has 224 divisors, whose sum is σ = 87288624000. Its totient is φ = 8015314944.

The previous prime is 28062031867. The next prime is 28062031901. The reversal of 28062031872 is 27813026082.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-3 number, since 3×28062031872³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28062031872.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8427904 + ... + 8431232.

Almost surely, 2^28062031872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28062031872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43644312000).

28062031872 is an abundant number, since it is smaller than the sum of its proper divisors (59226592128).

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

28062031872 is an frugal number, since it uses more digits than its factorization.

28062031872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 28062031872 in words is "twenty-eight billion, sixty-two million, thirty-one thousand, eight hundred seventy-two".