28894646267676 has 432 divisors, whose sum is σ = 88944904784736. Its totient is φ = 8177835810816.

The previous prime is 28894646267671. The next prime is 28894646267687. The reversal of 28894646267676 is 67676264649882.

28894646267676 is a `hidden beast` number, since 2 + 8 + 8 + 94 + 6 + 462 + 6 + 7 + 67 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 28894646267595 and 28894646267604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28894646267671) 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, 2186166220 + ... + 2186179436.

It is an arithmetic number, because the mean of its divisors is an integer number (205890983298).

Almost surely, 2^{28894646267676} 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 28894646267676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44472452392368).

28894646267676 is an abundant number, since it is smaller than the sum of its proper divisors (60050258517060).

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

28894646267676 is a wasteful number, since it uses less digits than its factorization.

28894646267676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13680 (or 13659 counting only the distinct ones).

The product of its digits is 14046068736, while the sum is 81.

The spelling of 28894646267676 in words is "twenty-eight trillion, eight hundred ninety-four billion, six hundred forty-six million, two hundred sixty-seven thousand, six hundred seventy-six".