28876662793 has 4 divisors (see below), whose sum is σ = 31501813968. Its totient is φ = 26251511620.

The previous prime is 28876662767. The next prime is 28876662803. The reversal of 28876662793 is 39726667882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28876662793 - 2⁵ = 28876662761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28876602793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312575571 + ... + 1312575592.

It is an arithmetic number, because the mean of its divisors is an integer number (7875453492).

Almost surely, 2^28876662793 is an apocalyptic number.

It is an amenable number.

28876662793 is a deficient number, since it is larger than the sum of its proper divisors (2625151175).

28876662793 is a wasteful number, since it uses less digits than its factorization.

28876662793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625151174.

The product of its digits is 73156608, while the sum is 64.

The spelling of 28876662793 in words is "twenty-eight billion, eight hundred seventy-six million, six hundred sixty-two thousand, seven hundred ninety-three".