28677035827 has 4 divisors (see below), whose sum is σ = 31284039096. Its totient is φ = 26070032560.

The previous prime is 28677035813. The next prime is 28677035833. The reversal of 28677035827 is 72853077682.

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

It is a de Polignac number, because none of the positive numbers 2^k-28677035827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28677030827) 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 3 ways as a sum of consecutive naturals, for example, 1303501618 + ... + 1303501639.

It is an arithmetic number, because the mean of its divisors is an integer number (7821009774).

Almost surely, 2^28677035827 is an apocalyptic number.

28677035827 is a deficient number, since it is larger than the sum of its proper divisors (2607003269).

28677035827 is a wasteful number, since it uses less digits than its factorization.

28677035827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607003268.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 28677035827 in words is "twenty-eight billion, six hundred seventy-seven million, thirty-five thousand, eight hundred twenty-seven".