28348335719 has 8 divisors (see below), whose sum is σ = 31214481408. Its totient is φ = 25530360760.

The previous prime is 28348335641. The next prime is 28348335721. The reversal of 28348335719 is 91753384382.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28348335719 is a prime.

It is a super-2 number, since 2×28348335719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28348335779) 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, 12041447 + ... + 12043800.

It is an arithmetic number, because the mean of its divisors is an integer number (3901810176).

Almost surely, 2^28348335719 is an apocalyptic number.

28348335719 is a deficient number, since it is larger than the sum of its proper divisors (2866145689).

28348335719 is a wasteful number, since it uses less digits than its factorization.

28348335719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24085365.

The product of its digits is 4354560, while the sum is 53.

The spelling of 28348335719 in words is "twenty-eight billion, three hundred forty-eight million, three hundred thirty-five thousand, seven hundred nineteen".