28876343463 has 24 divisors (see below), whose sum is σ = 48178714896. Its totient is φ = 16471353600.

The previous prime is 28876343437. The next prime is 28876343471. The reversal of 28876343463 is 36434367882.

28876343463 is a `hidden beast` number, since 2 + 8 + 87 + 63 + 43 + 463 = 666.

It is not a de Polignac number, because 28876343463 - 2⁶ = 28876343399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28876343413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8577148 + ... + 8580513.

It is an arithmetic number, because the mean of its divisors is an integer number (2007446454).

Almost surely, 2^28876343463 is an apocalyptic number.

28876343463 is a deficient number, since it is larger than the sum of its proper divisors (19302371433).

28876343463 is a wasteful number, since it uses less digits than its factorization.

28876343463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157695 (or 17157692 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 54.

The spelling of 28876343463 in words is "twenty-eight billion, eight hundred seventy-six million, three hundred forty-three thousand, four hundred sixty-three".