28466132767 has 4 divisors (see below), whose sum is σ = 28673914896. Its totient is φ = 28258350640.

The previous prime is 28466132719. The next prime is 28466132803. The reversal of 28466132767 is 76723166482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76723166482 = 2 ⋅38361583241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28466132767 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 (28466133767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103890859 + ... + 103891132.

It is an arithmetic number, because the mean of its divisors is an integer number (7168478724).

Almost surely, 2^28466132767 is an apocalyptic number.

28466132767 is a deficient number, since it is larger than the sum of its proper divisors (207782129).

28466132767 is a wasteful number, since it uses less digits than its factorization.

28466132767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207782128.

The product of its digits is 4064256, while the sum is 52.

The spelling of 28466132767 in words is "twenty-eight billion, four hundred sixty-six million, one hundred thirty-two thousand, seven hundred sixty-seven".