28773104976 has 540 divisors, whose sum is σ = 104705860896. Its totient is φ = 7347352320.

The previous prime is 28773104959. The next prime is 28773105029. The reversal of 28773104976 is 67940137782.

28773104976 is a `hidden beast` number, since 2 + 87 + 73 + 1 + 0 + 497 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 57202741 + ... + 57203243.

Almost surely, 2^28773104976 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 28773104976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52352930448).

28773104976 is an abundant number, since it is smaller than the sum of its proper divisors (75932755920).

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

28773104976 is a wasteful number, since it uses less digits than its factorization.

28773104976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 28773104976 in words is "twenty-eight billion, seven hundred seventy-three million, one hundred four thousand, nine hundred seventy-six".