28887460343 has 8 divisors (see below), whose sum is σ = 33688000800. Its totient is φ = 24760680000.

The previous prime is 28887460319. The next prime is 28887460373. The reversal of 28887460343 is 34306478882.

It is a happy number.

It is not a de Polignac number, because 28887460343 - 2¹⁶ = 28887394807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28887460373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42109658 + ... + 42110343.

It is an arithmetic number, because the mean of its divisors is an integer number (4211000100).

Almost surely, 2^28887460343 is an apocalyptic number.

28887460343 is a deficient number, since it is larger than the sum of its proper divisors (4800540457).

28887460343 is an frugal number, since it uses more digits than its factorization.

28887460343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84220022 (or 84220008 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 28887460343 in words is "twenty-eight billion, eight hundred eighty-seven million, four hundred sixty thousand, three hundred forty-three".