28464364263 has 8 divisors (see below), whose sum is σ = 38021870848. Its totient is φ = 18941550264.

The previous prime is 28464364223. The next prime is 28464364283. The reversal of 28464364263 is 36246346482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28464364263 - 2¹⁸ = 28464102119 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 (28464364223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8671231 + ... + 8674512.

It is an arithmetic number, because the mean of its divisors is an integer number (4752733856).

Almost surely, 2^28464364263 is an apocalyptic number.

28464364263 is a deficient number, since it is larger than the sum of its proper divisors (9557506585).

28464364263 is a wasteful number, since it uses less digits than its factorization.

28464364263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17346293.

The product of its digits is 3981312, while the sum is 48.

The spelling of 28464364263 in words is "twenty-eight billion, four hundred sixty-four million, three hundred sixty-four thousand, two hundred sixty-three".