28934607719 has 8 divisors (see below), whose sum is σ = 29001162240. Its totient is φ = 28868116536.

The previous prime is 28934607707. The next prime is 28934607721. The reversal of 28934607719 is 91770643982.

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

It is a cyclic number.

It is not a de Polignac number, because 28934607719 - 2²⁰ = 28933559143 is a prime.

It is a super-2 number, since 2×28934607719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28934607419) 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 7 ways as a sum of consecutive naturals, for example, 968012 + ... + 997454.

It is an arithmetic number, because the mean of its divisors is an integer number (3625145280).

Almost surely, 2^28934607719 is an apocalyptic number.

28934607719 is a deficient number, since it is larger than the sum of its proper divisors (66554521).

28934607719 is a wasteful number, since it uses less digits than its factorization.

28934607719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31669.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 28934607719 in words is "twenty-eight billion, nine hundred thirty-four million, six hundred seven thousand, seven hundred nineteen".