28673754465215 has 4 divisors (see below), whose sum is σ = 34408505358264. Its totient is φ = 22939003572168.

The previous prime is 28673754465121. The next prime is 28673754465269. The reversal of 28673754465215 is 51256445737682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28673754465215 - 2¹⁰ = 28673754464191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867375446517 + ... + 2867375446526.

It is an arithmetic number, because the mean of its divisors is an integer number (8602126339566).

Almost surely, 2^{28673754465215} is an apocalyptic number.

28673754465215 is a deficient number, since it is larger than the sum of its proper divisors (5734750893049).

28673754465215 is an equidigital number, since it uses as much as digits as its factorization.

28673754465215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734750893048.

The product of its digits is 338688000, while the sum is 65.

The spelling of 28673754465215 in words is "twenty-eight trillion, six hundred seventy-three billion, seven hundred fifty-four million, four hundred sixty-five thousand, two hundred fifteen".