28379460317 has 24 divisors (see below), whose sum is σ = 32812856664. Its totient is φ = 24380002944.

The previous prime is 28379460301. The next prime is 28379460337. The reversal of 28379460317 is 71306497382.

It can be written as a sum of positive squares in 4 ways, for example, as 320195236 + 28059265081 = 17894^2 + 167509^2 .

It is not a de Polignac number, because 28379460317 - 2⁴ = 28379460301 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 (28379460337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198683 + ... + 310215.

It is an arithmetic number, because the mean of its divisors is an integer number (1367202361).

Almost surely, 2^28379460317 is an apocalyptic number.

It is an amenable number.

28379460317 is a deficient number, since it is larger than the sum of its proper divisors (4433396347).

28379460317 is a wasteful number, since it uses less digits than its factorization.

28379460317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111629 (or 111606 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 28379460317 in words is "twenty-eight billion, three hundred seventy-nine million, four hundred sixty thousand, three hundred seventeen".