28677294411 has 4 divisors (see below), whose sum is σ = 38236392552. Its totient is φ = 19118196272.

The previous prime is 28677294397. The next prime is 28677294421. The reversal of 28677294411 is 11449277682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28677294411 - 2⁹ = 28677293899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28677294421) 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, 4779549066 + ... + 4779549071.

It is an arithmetic number, because the mean of its divisors is an integer number (9559098138).

Almost surely, 2^28677294411 is an apocalyptic number.

28677294411 is a deficient number, since it is larger than the sum of its proper divisors (9559098141).

28677294411 is an equidigital number, since it uses as much as digits as its factorization.

28677294411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9559098140.

The product of its digits is 1354752, while the sum is 51.

It can be divided in two parts, 286772 and 94411, that added together give a palindrome (381183).

The spelling of 28677294411 in words is "twenty-eight billion, six hundred seventy-seven million, two hundred ninety-four thousand, four hundred eleven".