28364207455 has 4 divisors (see below), whose sum is σ = 34037048952. Its totient is φ = 22691365960.

The previous prime is 28364207441. The next prime is 28364207467. The reversal of 28364207455 is 55470246382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55470246382 = 2 ⋅27735123191.

It is not a de Polignac number, because 28364207455 - 2⁷ = 28364207327 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, 2836420741 + ... + 2836420750.

It is an arithmetic number, because the mean of its divisors is an integer number (8509262238).

Almost surely, 2^28364207455 is an apocalyptic number.

28364207455 is a deficient number, since it is larger than the sum of its proper divisors (5672841497).

28364207455 is an equidigital number, since it uses as much as digits as its factorization.

28364207455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672841496.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 28364207455 in words is "twenty-eight billion, three hundred sixty-four million, two hundred seven thousand, four hundred fifty-five".