28032911676 has 432 divisors, whose sum is σ = 96865708800. Its totient is φ = 6843735360.

The previous prime is 28032911653. The next prime is 28032911677. The reversal of 28032911676 is 67611923082.

28032911676 is a `hidden beast` number, since 280 + 3 + 291 + 16 + 76 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28032911677) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 220731525 + ... + 220731651.

Almost surely, 2^28032911676 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 28032911676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48432854400).

28032911676 is an abundant number, since it is smaller than the sum of its proper divisors (68832797124).

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

28032911676 is a wasteful number, since it uses less digits than its factorization.

28032911676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 28032911676 in words is "twenty-eight billion, thirty-two million, nine hundred eleven thousand, six hundred seventy-six".